diff --git a/applications/archive/scenes/archive_scene_browser.c b/applications/archive/scenes/archive_scene_browser.c
index ed6204ff..000408c3 100644
--- a/applications/archive/scenes/archive_scene_browser.c
+++ b/applications/archive/scenes/archive_scene_browser.c
@@ -6,7 +6,7 @@ void archive_scene_browser_callback(ArchiveBrowserEvent event, void* context) {
     view_dispatcher_send_custom_event(archive->view_dispatcher, event);
 }
 
-const void archive_scene_browser_on_enter(void* context) {
+void archive_scene_browser_on_enter(void* context) {
     ArchiveApp* archive = (ArchiveApp*)context;
     ArchiveMainView* main_view = archive->main_view;
 
@@ -15,9 +15,9 @@ const void archive_scene_browser_on_enter(void* context) {
     view_dispatcher_switch_to_view(archive->view_dispatcher, ArchiveViewBrowser);
 }
 
-const bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
+bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
     ArchiveApp* archive = (ArchiveApp*)context;
-    bool consumed;
+    bool consumed = false;
 
     if(event.type == SceneManagerEventTypeCustom) {
         switch(event.event) {
@@ -37,6 +37,6 @@ const bool archive_scene_browser_on_event(void* context, SceneManagerEvent event
     return consumed;
 }
 
-const void archive_scene_browser_on_exit(void* context) {
+void archive_scene_browser_on_exit(void* context) {
     // ArchiveApp* archive = (ArchiveApp*)context;
 }
diff --git a/applications/archive/scenes/archive_scene_rename.c b/applications/archive/scenes/archive_scene_rename.c
index 51918e5a..478eaf71 100644
--- a/applications/archive/scenes/archive_scene_rename.c
+++ b/applications/archive/scenes/archive_scene_rename.c
@@ -9,7 +9,7 @@ void archive_scene_rename_text_input_callback(void* context) {
     view_dispatcher_send_custom_event(archive->view_dispatcher, SCENE_RENAME_CUSTOM_EVENT);
 }
 
-const void archive_scene_rename_on_enter(void* context) {
+void archive_scene_rename_on_enter(void* context) {
     ArchiveApp* archive = (ArchiveApp*)context;
 
     TextInput* text_input = archive->text_input;
@@ -31,7 +31,7 @@ const void archive_scene_rename_on_enter(void* context) {
     view_dispatcher_switch_to_view(archive->view_dispatcher, ArchiveViewTextInput);
 }
 
-const bool archive_scene_rename_on_event(void* context, SceneManagerEvent event) {
+bool archive_scene_rename_on_event(void* context, SceneManagerEvent event) {
     ArchiveApp* archive = (ArchiveApp*)context;
     bool consumed = false;
 
@@ -72,7 +72,7 @@ const bool archive_scene_rename_on_event(void* context, SceneManagerEvent event)
     return consumed;
 }
 
-const void archive_scene_rename_on_exit(void* context) {
+void archive_scene_rename_on_exit(void* context) {
     ArchiveApp* archive = (ArchiveApp*)context;
     // Clear view
     text_input_set_header_text(archive->text_input, NULL);
diff --git a/applications/bt/bt_cli.c b/applications/bt/bt_cli.c
index 47a05d06..3232e526 100644
--- a/applications/bt/bt_cli.c
+++ b/applications/bt/bt_cli.c
@@ -18,7 +18,7 @@ void bt_cli_command_info(Cli* cli, string_t args, void* context) {
     string_t buffer;
     string_init(buffer);
     furi_hal_bt_dump_state(buffer);
-    printf(string_get_cstr(buffer));
+    printf("%s", string_get_cstr(buffer));
     string_clear(buffer);
 }
 
diff --git a/applications/cli/cli.c b/applications/cli/cli.c
index 9a3ae259..d9fde866 100644
--- a/applications/cli/cli.c
+++ b/applications/cli/cli.c
@@ -276,7 +276,7 @@ static void cli_handle_escape(Cli* cli, char c) {
             string_set(cli->line, cli->last_line);
             cli->cursor_position = string_size(cli->line);
             // Show new line to user
-            printf(string_get_cstr(cli->line));
+            printf("%s", string_get_cstr(cli->line));
         }
     } else if(c == 'B') {
     } else if(c == 'C') {
diff --git a/applications/cli/cli_commands.c b/applications/cli/cli_commands.c
index f03c12e7..e43f81a0 100644
--- a/applications/cli/cli_commands.c
+++ b/applications/cli/cli_commands.c
@@ -138,7 +138,7 @@ void cli_command_help(Cli* cli, string_t args, void* context) {
         }
         // Right Column
         if(!CliCommandTree_end_p(it_right)) {
-            printf(string_get_cstr(*CliCommandTree_ref(it_right)->key_ptr));
+            printf("%s", string_get_cstr(*CliCommandTree_ref(it_right)->key_ptr));
             CliCommandTree_next(it_right);
         }
     };
@@ -146,7 +146,7 @@ void cli_command_help(Cli* cli, string_t args, void* context) {
     if(string_size(args) > 0) {
         cli_nl();
         printf("Also I have no clue what '");
-        printf(string_get_cstr(args));
+        printf("%s", string_get_cstr(args));
         printf("' is.");
     }
 }
diff --git a/applications/gui/modules/file_select.c b/applications/gui/modules/file_select.c
index f41b95c9..4007fd95 100644
--- a/applications/gui/modules/file_select.c
+++ b/applications/gui/modules/file_select.c
@@ -1,7 +1,6 @@
 #include "file_select.h"
 #include <gui/elements.h>
 #include <m-string.h>
-#include <sys/param.h>
 #include <storage/storage.h>
 
 #define FILENAME_COUNT 4
diff --git a/applications/menu/menu_item.c b/applications/menu/menu_item.c
index c87505f0..b79cdabd 100644
--- a/applications/menu/menu_item.c
+++ b/applications/menu/menu_item.c
@@ -77,7 +77,7 @@ void menu_item_subitem_add(MenuItem* menu_item, MenuItem* sub_item) {
     MenuItemArray_push_back(*items, sub_item);
 }
 
-uint8_t menu_item_get_type(MenuItem* menu_item) {
+MenuItemType menu_item_get_type(MenuItem* menu_item) {
     furi_assert(menu_item);
     return menu_item->type;
 }
diff --git a/applications/nfc/nfc_cli.c b/applications/nfc/nfc_cli.c
index 0326048a..22325103 100755
--- a/applications/nfc/nfc_cli.c
+++ b/applications/nfc/nfc_cli.c
@@ -27,7 +27,7 @@ void nfc_cli_detect(Cli* cli, string_t args, void* context) {
         if(dev_cnt > 0) {
             printf("Found %d devices\r\n", dev_cnt);
             for(uint8_t i = 0; i < dev_cnt; i++) {
-                printf("%d found: %s ", i + 1, nfc_get_dev_type(dev_list[i].type));
+                printf("%d found: %s ", i + 1, nfc_get_rfal_type(dev_list[i].type));
                 if(dev_list[i].type == RFAL_NFC_LISTEN_TYPE_NFCA) {
                     printf("type: %s, ", nfc_get_nfca_type(dev_list[i].dev.nfca.type));
                 }
diff --git a/applications/nfc/nfc_types.h b/applications/nfc/nfc_types.h
index 46899b6d..6c37076a 100644
--- a/applications/nfc/nfc_types.h
+++ b/applications/nfc/nfc_types.h
@@ -6,19 +6,33 @@
 #include <gui/view_dispatcher.h>
 #include "nfc_worker.h"
 
-static inline const char* nfc_get_dev_type(rfalNfcDevType type) {
+static inline const char* nfc_get_rfal_type(rfalNfcDevType type) {
     if(type == RFAL_NFC_LISTEN_TYPE_NFCA) {
-        return "NFC-A may be:";
+        return "NFC-A";
     } else if(type == RFAL_NFC_LISTEN_TYPE_NFCB) {
-        return "NFC-B may be:";
+        return "NFC-B";
     } else if(type == RFAL_NFC_LISTEN_TYPE_NFCF) {
-        return "NFC-F may be:";
+        return "NFC-F";
     } else if(type == RFAL_NFC_LISTEN_TYPE_NFCV) {
-        return "NFC-V may be:";
+        return "NFC-V";
     } else if(type == RFAL_NFC_LISTEN_TYPE_ST25TB) {
-        return "NFC-ST25TB may be:";
+        return "NFC-ST25TB";
     } else if(type == RFAL_NFC_LISTEN_TYPE_AP2P) {
-        return "NFC-AP2P may be:";
+        return "NFC-AP2P";
+    } else {
+        return "Unknown";
+    }
+}
+
+static inline const char* nfc_get_dev_type(NfcDeviceType type) {
+    if(type == NfcDeviceNfca) {
+        return "NFC-A may be:";
+    } else if(type == NfcDeviceNfcb) {
+        return "NFC-B may be:";
+    } else if(type == NfcDeviceNfcf) {
+        return "NFC-F may be:";
+    } else if(type == NfcDeviceNfcv) {
+        return "NFC-V may be:";
     } else {
         return "Unknown";
     }
diff --git a/applications/nfc/scenes/nfc_scene_card_menu.c b/applications/nfc/scenes/nfc_scene_card_menu.c
index f58c212e..dbaefe4f 100755
--- a/applications/nfc/scenes/nfc_scene_card_menu.c
+++ b/applications/nfc/scenes/nfc_scene_card_menu.c
@@ -13,7 +13,7 @@ void nfc_scene_card_menu_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
 }
 
-const void nfc_scene_card_menu_on_enter(void* context) {
+void nfc_scene_card_menu_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     Submenu* submenu = nfc->submenu;
 
@@ -41,7 +41,7 @@ const void nfc_scene_card_menu_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
 }
 
-const bool nfc_scene_card_menu_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_card_menu_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -78,7 +78,7 @@ const bool nfc_scene_card_menu_on_event(void* context, SceneManagerEvent event)
     return false;
 }
 
-const void nfc_scene_card_menu_on_exit(void* context) {
+void nfc_scene_card_menu_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     submenu_clean(nfc->submenu);
diff --git a/applications/nfc/scenes/nfc_scene_delete.c b/applications/nfc/scenes/nfc_scene_delete.c
index 5c6fe254..993e1e37 100755
--- a/applications/nfc/scenes/nfc_scene_delete.c
+++ b/applications/nfc/scenes/nfc_scene_delete.c
@@ -66,7 +66,7 @@ void nfc_scene_delete_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewWidget);
 }
 
-const bool nfc_scene_delete_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_delete_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -85,7 +85,7 @@ const bool nfc_scene_delete_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void nfc_scene_delete_on_exit(void* context) {
+void nfc_scene_delete_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     widget_clear(nfc->widget);
diff --git a/applications/nfc/scenes/nfc_scene_delete_success.c b/applications/nfc/scenes/nfc_scene_delete_success.c
index 51328a0a..96e70693 100755
--- a/applications/nfc/scenes/nfc_scene_delete_success.c
+++ b/applications/nfc/scenes/nfc_scene_delete_success.c
@@ -7,7 +7,7 @@ void nfc_scene_delete_success_popup_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_SAVE_SUCCESS_CUSTOM_EVENT);
 }
 
-const void nfc_scene_delete_success_on_enter(void* context) {
+void nfc_scene_delete_success_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -21,7 +21,7 @@ const void nfc_scene_delete_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewPopup);
 }
 
-const bool nfc_scene_delete_success_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_delete_success_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -33,7 +33,7 @@ const bool nfc_scene_delete_success_on_event(void* context, SceneManagerEvent ev
     return false;
 }
 
-const void nfc_scene_delete_success_on_exit(void* context) {
+void nfc_scene_delete_success_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_device_info.c b/applications/nfc/scenes/nfc_scene_device_info.c
index 43082dcf..0b0067c0 100755
--- a/applications/nfc/scenes/nfc_scene_device_info.c
+++ b/applications/nfc/scenes/nfc_scene_device_info.c
@@ -127,7 +127,7 @@ void nfc_scene_device_info_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewWidget);
 }
 
-const bool nfc_scene_device_info_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_device_info_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = context;
     bool consumed = false;
     uint32_t state = scene_manager_get_scene_state(nfc->scene_manager, NfcSceneDeviceInfo);
@@ -162,7 +162,7 @@ const bool nfc_scene_device_info_on_event(void* context, SceneManagerEvent event
     return consumed;
 }
 
-const void nfc_scene_device_info_on_exit(void* context) {
+void nfc_scene_device_info_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear Custom Widget
diff --git a/applications/nfc/scenes/nfc_scene_emulate_apdu_sequence.c b/applications/nfc/scenes/nfc_scene_emulate_apdu_sequence.c
index 70288054..b08660b3 100644
--- a/applications/nfc/scenes/nfc_scene_emulate_apdu_sequence.c
+++ b/applications/nfc/scenes/nfc_scene_emulate_apdu_sequence.c
@@ -1,6 +1,6 @@
 #include "../nfc_i.h"
 
-const void nfc_scene_emulate_apdu_sequence_on_enter(void* context) {
+void nfc_scene_emulate_apdu_sequence_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -14,7 +14,7 @@ const void nfc_scene_emulate_apdu_sequence_on_enter(void* context) {
     nfc_worker_start(nfc->worker, NfcWorkerStateEmulateApdu, &nfc->dev.dev_data, NULL, nfc);
 }
 
-const bool nfc_scene_emulate_apdu_sequence_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_emulate_apdu_sequence_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeTick) {
@@ -24,7 +24,7 @@ const bool nfc_scene_emulate_apdu_sequence_on_event(void* context, SceneManagerE
     return false;
 }
 
-const void nfc_scene_emulate_apdu_sequence_on_exit(void* context) {
+void nfc_scene_emulate_apdu_sequence_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Stop worker
diff --git a/applications/nfc/scenes/nfc_scene_emulate_mifare_ul.c b/applications/nfc/scenes/nfc_scene_emulate_mifare_ul.c
index d1d52bef..cba09437 100755
--- a/applications/nfc/scenes/nfc_scene_emulate_mifare_ul.c
+++ b/applications/nfc/scenes/nfc_scene_emulate_mifare_ul.c
@@ -9,7 +9,7 @@ void nfc_emulate_mifare_ul_worker_callback(void* context) {
         nfc->scene_manager, NfcSceneEmulateMifareUl, NFC_MF_UL_DATA_CHANGED);
 }
 
-const void nfc_scene_emulate_mifare_ul_on_enter(void* context) {
+void nfc_scene_emulate_mifare_ul_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -30,7 +30,7 @@ const void nfc_scene_emulate_mifare_ul_on_enter(void* context) {
         nfc);
 }
 
-const bool nfc_scene_emulate_mifare_ul_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_emulate_mifare_ul_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
     bool consumed = false;
 
@@ -52,7 +52,7 @@ const bool nfc_scene_emulate_mifare_ul_on_event(void* context, SceneManagerEvent
     return consumed;
 }
 
-const void nfc_scene_emulate_mifare_ul_on_exit(void* context) {
+void nfc_scene_emulate_mifare_ul_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_emulate_uid.c b/applications/nfc/scenes/nfc_scene_emulate_uid.c
index 3810bec4..ccd27de5 100755
--- a/applications/nfc/scenes/nfc_scene_emulate_uid.c
+++ b/applications/nfc/scenes/nfc_scene_emulate_uid.c
@@ -1,6 +1,6 @@
 #include "../nfc_i.h"
 
-const void nfc_scene_emulate_uid_on_enter(void* context) {
+void nfc_scene_emulate_uid_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -35,7 +35,7 @@ const void nfc_scene_emulate_uid_on_enter(void* context) {
     nfc_worker_start(nfc->worker, NfcWorkerStateEmulate, &nfc->dev.dev_data, NULL, nfc);
 }
 
-const bool nfc_scene_emulate_uid_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_emulate_uid_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeTick) {
@@ -45,7 +45,7 @@ const bool nfc_scene_emulate_uid_on_event(void* context, SceneManagerEvent event
     return false;
 }
 
-const void nfc_scene_emulate_uid_on_exit(void* context) {
+void nfc_scene_emulate_uid_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Stop worker
diff --git a/applications/nfc/scenes/nfc_scene_file_select.c b/applications/nfc/scenes/nfc_scene_file_select.c
index e75872a3..67894fbf 100755
--- a/applications/nfc/scenes/nfc_scene_file_select.c
+++ b/applications/nfc/scenes/nfc_scene_file_select.c
@@ -1,6 +1,6 @@
 #include "../nfc_i.h"
 
-const void nfc_scene_file_select_on_enter(void* context) {
+void nfc_scene_file_select_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     // Process file_select return
     if(nfc_file_select(&nfc->dev)) {
@@ -10,9 +10,9 @@ const void nfc_scene_file_select_on_enter(void* context) {
     }
 }
 
-const bool nfc_scene_file_select_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_file_select_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void nfc_scene_file_select_on_exit(void* context) {
+void nfc_scene_file_select_on_exit(void* context) {
 }
diff --git a/applications/nfc/scenes/nfc_scene_mifare_ul_menu.c b/applications/nfc/scenes/nfc_scene_mifare_ul_menu.c
index 70716618..5c31ab2c 100755
--- a/applications/nfc/scenes/nfc_scene_mifare_ul_menu.c
+++ b/applications/nfc/scenes/nfc_scene_mifare_ul_menu.c
@@ -11,7 +11,7 @@ void nfc_scene_mifare_ul_menu_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
 }
 
-const void nfc_scene_mifare_ul_menu_on_enter(void* context) {
+void nfc_scene_mifare_ul_menu_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     Submenu* submenu = nfc->submenu;
 
@@ -25,7 +25,7 @@ const void nfc_scene_mifare_ul_menu_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
 }
 
-const bool nfc_scene_mifare_ul_menu_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_mifare_ul_menu_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -49,7 +49,7 @@ const bool nfc_scene_mifare_ul_menu_on_event(void* context, SceneManagerEvent ev
     return false;
 }
 
-const void nfc_scene_mifare_ul_menu_on_exit(void* context) {
+void nfc_scene_mifare_ul_menu_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     submenu_clean(nfc->submenu);
diff --git a/applications/nfc/scenes/nfc_scene_not_implemented.c b/applications/nfc/scenes/nfc_scene_not_implemented.c
index f23bbe4a..3167f9c0 100644
--- a/applications/nfc/scenes/nfc_scene_not_implemented.c
+++ b/applications/nfc/scenes/nfc_scene_not_implemented.c
@@ -6,7 +6,7 @@ void nfc_scene_not_implemented_dialog_callback(DialogExResult result, void* cont
     view_dispatcher_send_custom_event(nfc->view_dispatcher, result);
 }
 
-const void nfc_scene_not_implemented_on_enter(void* context) {
+void nfc_scene_not_implemented_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // TODO Set data from worker
@@ -19,7 +19,7 @@ const void nfc_scene_not_implemented_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
 }
 
-const bool nfc_scene_not_implemented_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_not_implemented_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -30,7 +30,7 @@ const bool nfc_scene_not_implemented_on_event(void* context, SceneManagerEvent e
     return false;
 }
 
-const void nfc_scene_not_implemented_on_exit(void* context) {
+void nfc_scene_not_implemented_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     DialogEx* dialog_ex = nfc->dialog_ex;
diff --git a/applications/nfc/scenes/nfc_scene_read_card.c b/applications/nfc/scenes/nfc_scene_read_card.c
index 4b32c36d..fda69b05 100755
--- a/applications/nfc/scenes/nfc_scene_read_card.c
+++ b/applications/nfc/scenes/nfc_scene_read_card.c
@@ -7,7 +7,7 @@ void nfc_read_card_worker_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, NFC_READ_CARD_CUSTOM_EVENT);
 }
 
-const void nfc_scene_read_card_on_enter(void* context) {
+void nfc_scene_read_card_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -21,7 +21,7 @@ const void nfc_scene_read_card_on_enter(void* context) {
         nfc->worker, NfcWorkerStateDetect, &nfc->dev.dev_data, nfc_read_card_worker_callback, nfc);
 }
 
-const bool nfc_scene_read_card_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_card_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -36,7 +36,7 @@ const bool nfc_scene_read_card_on_event(void* context, SceneManagerEvent event)
     return false;
 }
 
-const void nfc_scene_read_card_on_exit(void* context) {
+void nfc_scene_read_card_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Stop worker
diff --git a/applications/nfc/scenes/nfc_scene_read_card_success.c b/applications/nfc/scenes/nfc_scene_read_card_success.c
index 93223a70..b745eae3 100755
--- a/applications/nfc/scenes/nfc_scene_read_card_success.c
+++ b/applications/nfc/scenes/nfc_scene_read_card_success.c
@@ -63,7 +63,7 @@ void nfc_scene_read_card_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
 }
 
-const bool nfc_scene_read_card_success_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_card_success_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -77,7 +77,7 @@ const bool nfc_scene_read_card_success_on_event(void* context, SceneManagerEvent
     return false;
 }
 
-const void nfc_scene_read_card_success_on_exit(void* context) {
+void nfc_scene_read_card_success_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     DialogEx* dialog_ex = nfc->dialog_ex;
diff --git a/applications/nfc/scenes/nfc_scene_read_emv_app.c b/applications/nfc/scenes/nfc_scene_read_emv_app.c
index ae00431b..d0198791 100755
--- a/applications/nfc/scenes/nfc_scene_read_emv_app.c
+++ b/applications/nfc/scenes/nfc_scene_read_emv_app.c
@@ -7,7 +7,7 @@ void nfc_read_emv_app_worker_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, NFC_READ_EMV_APP_CUSTOM_EVENT);
 }
 
-const void nfc_scene_read_emv_app_on_enter(void* context) {
+void nfc_scene_read_emv_app_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -25,7 +25,7 @@ const void nfc_scene_read_emv_app_on_enter(void* context) {
         nfc);
 }
 
-const bool nfc_scene_read_emv_app_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_emv_app_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -40,7 +40,7 @@ const bool nfc_scene_read_emv_app_on_event(void* context, SceneManagerEvent even
     return false;
 }
 
-const void nfc_scene_read_emv_app_on_exit(void* context) {
+void nfc_scene_read_emv_app_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Stop worker
diff --git a/applications/nfc/scenes/nfc_scene_read_emv_app_success.c b/applications/nfc/scenes/nfc_scene_read_emv_app_success.c
index dc95bfe6..a3371086 100755
--- a/applications/nfc/scenes/nfc_scene_read_emv_app_success.c
+++ b/applications/nfc/scenes/nfc_scene_read_emv_app_success.c
@@ -45,7 +45,7 @@ void nfc_scene_read_emv_app_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
 }
 
-const bool nfc_scene_read_emv_app_success_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_emv_app_success_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -59,7 +59,7 @@ const bool nfc_scene_read_emv_app_success_on_event(void* context, SceneManagerEv
     return false;
 }
 
-const void nfc_scene_read_emv_app_success_on_exit(void* context) {
+void nfc_scene_read_emv_app_success_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     DialogEx* dialog_ex = nfc->dialog_ex;
diff --git a/applications/nfc/scenes/nfc_scene_read_emv_data.c b/applications/nfc/scenes/nfc_scene_read_emv_data.c
index 0aeb6fe0..44389e5a 100644
--- a/applications/nfc/scenes/nfc_scene_read_emv_data.c
+++ b/applications/nfc/scenes/nfc_scene_read_emv_data.c
@@ -7,7 +7,7 @@ void nfc_read_emv_data_worker_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, NFC_READ_EMV_DATA_CUSTOM_EVENT);
 }
 
-const void nfc_scene_read_emv_data_on_enter(void* context) {
+void nfc_scene_read_emv_data_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -27,7 +27,7 @@ const void nfc_scene_read_emv_data_on_enter(void* context) {
         nfc);
 }
 
-const bool nfc_scene_read_emv_data_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_emv_data_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -42,7 +42,7 @@ const bool nfc_scene_read_emv_data_on_event(void* context, SceneManagerEvent eve
     return false;
 }
 
-const void nfc_scene_read_emv_data_on_exit(void* context) {
+void nfc_scene_read_emv_data_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Stop worker
diff --git a/applications/nfc/scenes/nfc_scene_read_emv_data_success.c b/applications/nfc/scenes/nfc_scene_read_emv_data_success.c
index c0b61111..8a98f5ae 100755
--- a/applications/nfc/scenes/nfc_scene_read_emv_data_success.c
+++ b/applications/nfc/scenes/nfc_scene_read_emv_data_success.c
@@ -113,7 +113,7 @@ void nfc_scene_read_emv_data_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewWidget);
 }
 
-const bool nfc_scene_read_emv_data_success_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_emv_data_success_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -132,7 +132,7 @@ const bool nfc_scene_read_emv_data_success_on_event(void* context, SceneManagerE
     return false;
 }
 
-const void nfc_scene_read_emv_data_success_on_exit(void* context) {
+void nfc_scene_read_emv_data_success_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     widget_clear(nfc->widget);
diff --git a/applications/nfc/scenes/nfc_scene_read_mifare_ul.c b/applications/nfc/scenes/nfc_scene_read_mifare_ul.c
index d1997d51..95e890b5 100755
--- a/applications/nfc/scenes/nfc_scene_read_mifare_ul.c
+++ b/applications/nfc/scenes/nfc_scene_read_mifare_ul.c
@@ -7,7 +7,7 @@ void nfc_read_mifare_ul_worker_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, NFC_READ_MIFARE_UL_CUSTOM_EVENT);
 }
 
-const void nfc_scene_read_mifare_ul_on_enter(void* context) {
+void nfc_scene_read_mifare_ul_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -25,7 +25,7 @@ const void nfc_scene_read_mifare_ul_on_enter(void* context) {
         nfc);
 }
 
-const bool nfc_scene_read_mifare_ul_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_mifare_ul_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -40,7 +40,7 @@ const bool nfc_scene_read_mifare_ul_on_event(void* context, SceneManagerEvent ev
     return false;
 }
 
-const void nfc_scene_read_mifare_ul_on_exit(void* context) {
+void nfc_scene_read_mifare_ul_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Stop worker
diff --git a/applications/nfc/scenes/nfc_scene_read_mifare_ul_success.c b/applications/nfc/scenes/nfc_scene_read_mifare_ul_success.c
index c0a2a9f3..f1324dfa 100755
--- a/applications/nfc/scenes/nfc_scene_read_mifare_ul_success.c
+++ b/applications/nfc/scenes/nfc_scene_read_mifare_ul_success.c
@@ -20,7 +20,7 @@ void nfc_scene_read_mifare_ul_success_text_box_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, NFC_SCENE_READ_MF_UL_CUSTOM_EVENT);
 }
 
-const void nfc_scene_read_mifare_ul_success_on_enter(void* context) {
+void nfc_scene_read_mifare_ul_success_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear device name
@@ -76,7 +76,7 @@ const void nfc_scene_read_mifare_ul_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
 }
 
-const bool nfc_scene_read_mifare_ul_success_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_read_mifare_ul_success_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -112,7 +112,7 @@ const bool nfc_scene_read_mifare_ul_success_on_event(void* context, SceneManager
     return false;
 }
 
-const void nfc_scene_read_mifare_ul_success_on_exit(void* context) {
+void nfc_scene_read_mifare_ul_success_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clean dialog
diff --git a/applications/nfc/scenes/nfc_scene_restore_original.c b/applications/nfc/scenes/nfc_scene_restore_original.c
index 3229d023..12481592 100644
--- a/applications/nfc/scenes/nfc_scene_restore_original.c
+++ b/applications/nfc/scenes/nfc_scene_restore_original.c
@@ -7,7 +7,7 @@ void nfc_scene_restore_original_popup_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_RESTORE_ORIGINAL_CUSTOM_EVENT);
 }
 
-const void nfc_scene_restore_original_on_enter(void* context) {
+void nfc_scene_restore_original_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -21,7 +21,7 @@ const void nfc_scene_restore_original_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewPopup);
 }
 
-const bool nfc_scene_restore_original_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_restore_original_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
     bool consumed = false;
 
@@ -33,7 +33,7 @@ const bool nfc_scene_restore_original_on_event(void* context, SceneManagerEvent
     return consumed;
 }
 
-const void nfc_scene_restore_original_on_exit(void* context) {
+void nfc_scene_restore_original_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_run_emv_app_confirm.c b/applications/nfc/scenes/nfc_scene_run_emv_app_confirm.c
index 609ccfc5..7d12aa4b 100755
--- a/applications/nfc/scenes/nfc_scene_run_emv_app_confirm.c
+++ b/applications/nfc/scenes/nfc_scene_run_emv_app_confirm.c
@@ -28,7 +28,7 @@ void nfc_scene_run_emv_app_confirm_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
 }
 
-const bool nfc_scene_run_emv_app_confirm_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_run_emv_app_confirm_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -42,7 +42,7 @@ const bool nfc_scene_run_emv_app_confirm_on_event(void* context, SceneManagerEve
     return false;
 }
 
-const void nfc_scene_run_emv_app_confirm_on_exit(void* context) {
+void nfc_scene_run_emv_app_confirm_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     DialogEx* dialog_ex = nfc->dialog_ex;
diff --git a/applications/nfc/scenes/nfc_scene_save_name.c b/applications/nfc/scenes/nfc_scene_save_name.c
index ca239f68..dc0c48cd 100755
--- a/applications/nfc/scenes/nfc_scene_save_name.c
+++ b/applications/nfc/scenes/nfc_scene_save_name.c
@@ -9,7 +9,7 @@ void nfc_scene_save_name_text_input_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_SAVE_NAME_CUSTOM_EVENT);
 }
 
-const void nfc_scene_save_name_on_enter(void* context) {
+void nfc_scene_save_name_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -32,12 +32,12 @@ const void nfc_scene_save_name_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewTextInput);
 }
 
-const bool nfc_scene_save_name_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_save_name_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
         if(event.event == SCENE_SAVE_NAME_CUSTOM_EVENT) {
-            if(nfc->dev.dev_name) {
+            if(strcmp(nfc->dev.dev_name, "")) {
                 nfc_device_delete(&nfc->dev);
             }
             if(scene_manager_has_previous_scene(nfc->scene_manager, NfcSceneSetUid)) {
@@ -56,7 +56,7 @@ const bool nfc_scene_save_name_on_event(void* context, SceneManagerEvent event)
     return false;
 }
 
-const void nfc_scene_save_name_on_exit(void* context) {
+void nfc_scene_save_name_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_save_success.c b/applications/nfc/scenes/nfc_scene_save_success.c
index 058388b6..57b08b07 100755
--- a/applications/nfc/scenes/nfc_scene_save_success.c
+++ b/applications/nfc/scenes/nfc_scene_save_success.c
@@ -7,7 +7,7 @@ void nfc_scene_save_success_popup_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_SAVE_SUCCESS_CUSTOM_EVENT);
 }
 
-const void nfc_scene_save_success_on_enter(void* context) {
+void nfc_scene_save_success_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -21,7 +21,7 @@ const void nfc_scene_save_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewPopup);
 }
 
-const bool nfc_scene_save_success_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_save_success_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
     bool consumed = false;
 
@@ -42,7 +42,7 @@ const bool nfc_scene_save_success_on_event(void* context, SceneManagerEvent even
     return consumed;
 }
 
-const void nfc_scene_save_success_on_exit(void* context) {
+void nfc_scene_save_success_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_saved_menu.c b/applications/nfc/scenes/nfc_scene_saved_menu.c
index cd682783..a8e2ce7f 100755
--- a/applications/nfc/scenes/nfc_scene_saved_menu.c
+++ b/applications/nfc/scenes/nfc_scene_saved_menu.c
@@ -14,7 +14,7 @@ void nfc_scene_saved_menu_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
 }
 
-const void nfc_scene_saved_menu_on_enter(void* context) {
+void nfc_scene_saved_menu_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     Submenu* submenu = nfc->submenu;
 
@@ -42,7 +42,7 @@ const void nfc_scene_saved_menu_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
 }
 
-const bool nfc_scene_saved_menu_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_saved_menu_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
     bool consumed = false;
 
@@ -78,7 +78,7 @@ const bool nfc_scene_saved_menu_on_event(void* context, SceneManagerEvent event)
     return consumed;
 }
 
-const void nfc_scene_saved_menu_on_exit(void* context) {
+void nfc_scene_saved_menu_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     submenu_clean(nfc->submenu);
diff --git a/applications/nfc/scenes/nfc_scene_scripts_menu.c b/applications/nfc/scenes/nfc_scene_scripts_menu.c
index 327d32c6..c82c4564 100755
--- a/applications/nfc/scenes/nfc_scene_scripts_menu.c
+++ b/applications/nfc/scenes/nfc_scene_scripts_menu.c
@@ -11,7 +11,7 @@ void nfc_scene_scripts_menu_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
 }
 
-const void nfc_scene_scripts_menu_on_enter(void* context) {
+void nfc_scene_scripts_menu_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     Submenu* submenu = nfc->submenu;
 
@@ -32,7 +32,7 @@ const void nfc_scene_scripts_menu_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
 }
 
-const bool nfc_scene_scripts_menu_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_scripts_menu_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -52,7 +52,7 @@ const bool nfc_scene_scripts_menu_on_event(void* context, SceneManagerEvent even
     return false;
 }
 
-const void nfc_scene_scripts_menu_on_exit(void* context) {
+void nfc_scene_scripts_menu_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     submenu_clean(nfc->submenu);
diff --git a/applications/nfc/scenes/nfc_scene_set_atqa.c b/applications/nfc/scenes/nfc_scene_set_atqa.c
index 80ceea17..7936880c 100755
--- a/applications/nfc/scenes/nfc_scene_set_atqa.c
+++ b/applications/nfc/scenes/nfc_scene_set_atqa.c
@@ -8,7 +8,7 @@ void nfc_scene_set_atqa_byte_input_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_SET_ATQA_CUSTOM_EVENT);
 }
 
-const void nfc_scene_set_atqa_on_enter(void* context) {
+void nfc_scene_set_atqa_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -24,7 +24,7 @@ const void nfc_scene_set_atqa_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewByteInput);
 }
 
-const bool nfc_scene_set_atqa_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_set_atqa_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -36,7 +36,7 @@ const bool nfc_scene_set_atqa_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void nfc_scene_set_atqa_on_exit(void* context) {
+void nfc_scene_set_atqa_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_set_sak.c b/applications/nfc/scenes/nfc_scene_set_sak.c
index 27646cc6..5df999d0 100755
--- a/applications/nfc/scenes/nfc_scene_set_sak.c
+++ b/applications/nfc/scenes/nfc_scene_set_sak.c
@@ -8,7 +8,7 @@ void nfc_scene_set_sak_byte_input_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_SET_SAK_CUSTOM_EVENT);
 }
 
-const void nfc_scene_set_sak_on_enter(void* context) {
+void nfc_scene_set_sak_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -24,7 +24,7 @@ const void nfc_scene_set_sak_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewByteInput);
 }
 
-const bool nfc_scene_set_sak_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_set_sak_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -36,7 +36,7 @@ const bool nfc_scene_set_sak_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void nfc_scene_set_sak_on_exit(void* context) {
+void nfc_scene_set_sak_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_set_type.c b/applications/nfc/scenes/nfc_scene_set_type.c
index 9798b8f7..7574123f 100755
--- a/applications/nfc/scenes/nfc_scene_set_type.c
+++ b/applications/nfc/scenes/nfc_scene_set_type.c
@@ -11,7 +11,7 @@ void nfc_scene_set_type_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
 }
 
-const void nfc_scene_set_type_on_enter(void* context) {
+void nfc_scene_set_type_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     Submenu* submenu = nfc->submenu;
 
@@ -22,7 +22,7 @@ const void nfc_scene_set_type_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
 }
 
-const bool nfc_scene_set_type_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_set_type_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -41,7 +41,7 @@ const bool nfc_scene_set_type_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void nfc_scene_set_type_on_exit(void* context) {
+void nfc_scene_set_type_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     submenu_clean(nfc->submenu);
diff --git a/applications/nfc/scenes/nfc_scene_set_uid.c b/applications/nfc/scenes/nfc_scene_set_uid.c
index dd448a78..7ecfbf32 100755
--- a/applications/nfc/scenes/nfc_scene_set_uid.c
+++ b/applications/nfc/scenes/nfc_scene_set_uid.c
@@ -8,7 +8,7 @@ void nfc_scene_set_uid_byte_input_callback(void* context) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, SCENE_SET_UID_CUSTOM_EVENT);
 }
 
-const void nfc_scene_set_uid_on_enter(void* context) {
+void nfc_scene_set_uid_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Setup view
@@ -25,7 +25,7 @@ const void nfc_scene_set_uid_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewByteInput);
 }
 
-const bool nfc_scene_set_uid_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_set_uid_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -37,7 +37,7 @@ const bool nfc_scene_set_uid_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void nfc_scene_set_uid_on_exit(void* context) {
+void nfc_scene_set_uid_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     // Clear view
diff --git a/applications/nfc/scenes/nfc_scene_start.c b/applications/nfc/scenes/nfc_scene_start.c
index 3b560c07..cdf7dbe2 100755
--- a/applications/nfc/scenes/nfc_scene_start.c
+++ b/applications/nfc/scenes/nfc_scene_start.c
@@ -14,7 +14,7 @@ void nfc_scene_start_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
 }
 
-const void nfc_scene_start_on_enter(void* context) {
+void nfc_scene_start_on_enter(void* context) {
     Nfc* nfc = (Nfc*)context;
     Submenu* submenu = nfc->submenu;
 
@@ -38,7 +38,7 @@ const void nfc_scene_start_on_enter(void* context) {
     view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
 }
 
-const bool nfc_scene_start_on_event(void* context, SceneManagerEvent event) {
+bool nfc_scene_start_on_event(void* context, SceneManagerEvent event) {
     Nfc* nfc = (Nfc*)context;
     bool consumed = false;
 
@@ -70,7 +70,7 @@ const bool nfc_scene_start_on_event(void* context, SceneManagerEvent event) {
     return consumed;
 }
 
-const void nfc_scene_start_on_exit(void* context) {
+void nfc_scene_start_on_exit(void* context) {
     Nfc* nfc = (Nfc*)context;
 
     submenu_clean(nfc->submenu);
diff --git a/applications/storage/storages/storage-ext.c b/applications/storage/storages/storage-ext.c
index b29fdf7a..a434c2d8 100644
--- a/applications/storage/storages/storage-ext.c
+++ b/applications/storage/storages/storage-ext.c
@@ -99,7 +99,8 @@ FS_Error sd_unmount_card(StorageData* storage) {
     SDError error;
 
     storage_data_lock(storage);
-    error = storage->status = StorageStatusNotReady;
+    storage->status = StorageStatusNotReady;
+    error = FR_DISK_ERR;
 
     // TODO do i need to close the files?
 
diff --git a/applications/storage/storages/storage-int.c b/applications/storage/storages/storage-int.c
index 473ac4f5..87c02786 100644
--- a/applications/storage/storages/storage-int.c
+++ b/applications/storage/storages/storage-int.c
@@ -286,7 +286,7 @@ static bool storage_int_file_open(
     if(access_mode & FSAM_READ) flags |= LFS_O_RDONLY;
     if(access_mode & FSAM_WRITE) flags |= LFS_O_WRONLY;
 
-    if(open_mode & FSOM_OPEN_EXISTING) flags = flags;
+    if(open_mode & FSOM_OPEN_EXISTING) flags |= 0;
     if(open_mode & FSOM_OPEN_ALWAYS) flags |= LFS_O_CREAT;
     if(open_mode & FSOM_OPEN_APPEND) flags |= LFS_O_CREAT | LFS_O_APPEND;
     if(open_mode & FSOM_CREATE_NEW) flags |= LFS_O_CREAT | LFS_O_EXCL;
diff --git a/applications/subghz/scenes/subghz_scene_receiver.c b/applications/subghz/scenes/subghz_scene_receiver.c
index ffe510aa..f2d66e6b 100644
--- a/applications/subghz/scenes/subghz_scene_receiver.c
+++ b/applications/subghz/scenes/subghz_scene_receiver.c
@@ -60,7 +60,7 @@ void subghz_scene_add_to_history_callback(SubGhzProtocolCommon* parser, void* co
     string_clear(str_buff);
 }
 
-const void subghz_scene_receiver_on_enter(void* context) {
+void subghz_scene_receiver_on_enter(void* context) {
     SubGhz* subghz = context;
 
     string_t str_buff;
@@ -95,7 +95,7 @@ const void subghz_scene_receiver_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewReceiver);
 }
 
-const bool subghz_scene_receiver_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_receiver_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -147,6 +147,6 @@ const bool subghz_scene_receiver_on_event(void* context, SceneManagerEvent event
     return false;
 }
 
-const void subghz_scene_receiver_on_exit(void* context) {
+void subghz_scene_receiver_on_exit(void* context) {
     // SubGhz* subghz = context;
 }
diff --git a/applications/subghz/scenes/subghz_scene_receiver_config.c b/applications/subghz/scenes/subghz_scene_receiver_config.c
index 276fc4b9..9586c8f3 100644
--- a/applications/subghz/scenes/subghz_scene_receiver_config.c
+++ b/applications/subghz/scenes/subghz_scene_receiver_config.c
@@ -102,7 +102,7 @@ void subghz_scene_receiver_config_callback(SubghzReceverEvent event, void* conte
     view_dispatcher_send_custom_event(subghz->view_dispatcher, event);
 }
 
-const void subghz_scene_receiver_config_on_enter(void* context) {
+void subghz_scene_receiver_config_on_enter(void* context) {
     SubGhz* subghz = context;
     VariableItem* item;
     uint8_t value_index;
@@ -145,12 +145,12 @@ const void subghz_scene_receiver_config_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewVariableItemList);
 }
 
-const bool subghz_scene_receiver_config_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_receiver_config_on_event(void* context, SceneManagerEvent event) {
     //SubGhz* subghz = context;
     return false;
 }
 
-const void subghz_scene_receiver_config_on_exit(void* context) {
+void subghz_scene_receiver_config_on_exit(void* context) {
     SubGhz* subghz = context;
     variable_item_list_clean(subghz->variable_item_list);
 }
diff --git a/applications/subghz/scenes/subghz_scene_receiver_info.c b/applications/subghz/scenes/subghz_scene_receiver_info.c
index 8f266337..7cea22b1 100644
--- a/applications/subghz/scenes/subghz_scene_receiver_info.c
+++ b/applications/subghz/scenes/subghz_scene_receiver_info.c
@@ -41,7 +41,7 @@ static bool subghz_scene_receiver_info_update_parser(void* context) {
     return false;
 }
 
-const void subghz_scene_receiver_info_on_enter(void* context) {
+void subghz_scene_receiver_info_on_enter(void* context) {
     SubGhz* subghz = context;
 
     if(subghz_scene_receiver_info_update_parser(subghz)) {
@@ -96,7 +96,7 @@ const void subghz_scene_receiver_info_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewWidget);
 }
 
-const bool subghz_scene_receiver_info_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_receiver_info_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
     if(event.type == SceneManagerEventTypeCustom) {
         if(event.event == SubGhzSceneReceiverInfoCustomEventTxStart) {
@@ -167,7 +167,7 @@ const bool subghz_scene_receiver_info_on_event(void* context, SceneManagerEvent
     return false;
 }
 
-const void subghz_scene_receiver_info_on_exit(void* context) {
+void subghz_scene_receiver_info_on_exit(void* context) {
     SubGhz* subghz = context;
     widget_clear(subghz->widget);
 }
diff --git a/applications/subghz/scenes/subghz_scene_save_name.c b/applications/subghz/scenes/subghz_scene_save_name.c
index b73f31b9..1ebb5d3b 100644
--- a/applications/subghz/scenes/subghz_scene_save_name.c
+++ b/applications/subghz/scenes/subghz_scene_save_name.c
@@ -9,7 +9,7 @@ void subghz_scene_save_name_text_input_callback(void* context) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, SCENE_SAVE_NAME_CUSTOM_EVENT);
 }
 
-const void subghz_scene_save_name_on_enter(void* context) {
+void subghz_scene_save_name_on_enter(void* context) {
     SubGhz* subghz = context;
 
     // Setup view
@@ -30,7 +30,7 @@ const void subghz_scene_save_name_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewTextInput);
 }
 
-const bool subghz_scene_save_name_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_save_name_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -49,7 +49,7 @@ const bool subghz_scene_save_name_on_event(void* context, SceneManagerEvent even
     return false;
 }
 
-const void subghz_scene_save_name_on_exit(void* context) {
+void subghz_scene_save_name_on_exit(void* context) {
     SubGhz* subghz = context;
 
     // Clear view
diff --git a/applications/subghz/scenes/subghz_scene_save_success.c b/applications/subghz/scenes/subghz_scene_save_success.c
index 4d26ff54..dc267486 100644
--- a/applications/subghz/scenes/subghz_scene_save_success.c
+++ b/applications/subghz/scenes/subghz_scene_save_success.c
@@ -7,7 +7,7 @@ void subghz_scene_save_success_popup_callback(void* context) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, SCENE_SAVE_SUCCESS_CUSTOM_EVENT);
 }
 
-const void subghz_scene_save_success_on_enter(void* context) {
+void subghz_scene_save_success_on_enter(void* context) {
     SubGhz* subghz = context;
 
     // Setup view
@@ -21,7 +21,7 @@ const void subghz_scene_save_success_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewPopup);
 }
 
-const bool subghz_scene_save_success_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_save_success_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
     if(event.type == SceneManagerEventTypeCustom) {
         if(event.event == SCENE_SAVE_SUCCESS_CUSTOM_EVENT) {
@@ -36,7 +36,7 @@ const bool subghz_scene_save_success_on_event(void* context, SceneManagerEvent e
     return false;
 }
 
-const void subghz_scene_save_success_on_exit(void* context) {
+void subghz_scene_save_success_on_exit(void* context) {
     SubGhz* subghz = context;
 
     // Clear view
diff --git a/applications/subghz/scenes/subghz_scene_saved.c b/applications/subghz/scenes/subghz_scene_saved.c
index 3bfec82a..4ec75b5a 100644
--- a/applications/subghz/scenes/subghz_scene_saved.c
+++ b/applications/subghz/scenes/subghz_scene_saved.c
@@ -1,6 +1,6 @@
 #include "../subghz_i.h"
 
-const void subghz_scene_saved_on_enter(void* context) {
+void subghz_scene_saved_on_enter(void* context) {
     SubGhz* subghz = context;
 
     if(subghz_load_protocol_from_file(subghz)) {
@@ -10,11 +10,11 @@ const void subghz_scene_saved_on_enter(void* context) {
     }
 }
 
-const bool subghz_scene_saved_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_saved_on_event(void* context, SceneManagerEvent event) {
     // SubGhz* subghz = context;
     return false;
 }
 
-const void subghz_scene_saved_on_exit(void* context) {
+void subghz_scene_saved_on_exit(void* context) {
     // SubGhz* subghz = context;
 }
diff --git a/applications/subghz/scenes/subghz_scene_set_type.c b/applications/subghz/scenes/subghz_scene_set_type.c
index 5993512b..7beb8a27 100644
--- a/applications/subghz/scenes/subghz_scene_set_type.c
+++ b/applications/subghz/scenes/subghz_scene_set_type.c
@@ -29,7 +29,7 @@ void subghz_scene_set_type_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, index);
 }
 
-const void subghz_scene_set_type_on_enter(void* context) {
+void subghz_scene_set_type_on_enter(void* context) {
     SubGhz* subghz = context;
 
     submenu_add_item(
@@ -85,7 +85,7 @@ const void subghz_scene_set_type_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewMenu);
 }
 
-const bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
     bool generated_protocol = false;
 
@@ -182,7 +182,7 @@ const bool subghz_scene_set_type_on_event(void* context, SceneManagerEvent event
     return false;
 }
 
-const void subghz_scene_set_type_on_exit(void* context) {
+void subghz_scene_set_type_on_exit(void* context) {
     SubGhz* subghz = context;
     submenu_clean(subghz->submenu);
 }
diff --git a/applications/subghz/scenes/subghz_scene_show_error.c b/applications/subghz/scenes/subghz_scene_show_error.c
index 08c487a7..2599f24e 100644
--- a/applications/subghz/scenes/subghz_scene_show_error.c
+++ b/applications/subghz/scenes/subghz_scene_show_error.c
@@ -7,7 +7,7 @@ void subghz_scene_show_error_popup_callback(void* context) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, SCENE_NO_MAN_CUSTOM_EVENT);
 }
 
-const void subghz_scene_show_error_on_enter(void* context) {
+void subghz_scene_show_error_on_enter(void* context) {
     SubGhz* subghz = context;
 
     // Setup view
@@ -21,7 +21,7 @@ const void subghz_scene_show_error_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewPopup);
 }
 
-const bool subghz_scene_show_error_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_show_error_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
     if(event.type == SceneManagerEventTypeCustom) {
         if(event.event == SCENE_NO_MAN_CUSTOM_EVENT) {
@@ -33,7 +33,7 @@ const bool subghz_scene_show_error_on_event(void* context, SceneManagerEvent eve
     return false;
 }
 
-const void subghz_scene_show_error_on_exit(void* context) {
+void subghz_scene_show_error_on_exit(void* context) {
     SubGhz* subghz = context;
 
     // Clear view
diff --git a/applications/subghz/scenes/subghz_scene_start.c b/applications/subghz/scenes/subghz_scene_start.c
index 2baac87a..b3713873 100644
--- a/applications/subghz/scenes/subghz_scene_start.c
+++ b/applications/subghz/scenes/subghz_scene_start.c
@@ -12,7 +12,7 @@ void subghz_scene_start_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, index);
 }
 
-const void subghz_scene_start_on_enter(void* context) {
+void subghz_scene_start_on_enter(void* context) {
     SubGhz* subghz = context;
     if(subghz->state_notifications == NOTIFICATION_STARTING_STATE) {
         subghz->state_notifications = NOTIFICATION_IDLE_STATE;
@@ -36,7 +36,7 @@ const void subghz_scene_start_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewMenu);
 }
 
-const bool subghz_scene_start_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_start_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -65,7 +65,7 @@ const bool subghz_scene_start_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void subghz_scene_start_on_exit(void* context) {
+void subghz_scene_start_on_exit(void* context) {
     SubGhz* subghz = context;
     submenu_clean(subghz->submenu);
 }
diff --git a/applications/subghz/scenes/subghz_scene_test.c b/applications/subghz/scenes/subghz_scene_test.c
index 03f0b595..bef7e1e4 100644
--- a/applications/subghz/scenes/subghz_scene_test.c
+++ b/applications/subghz/scenes/subghz_scene_test.c
@@ -11,7 +11,7 @@ void subghz_scene_test_submenu_callback(void* context, uint32_t index) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, index);
 }
 
-const void subghz_scene_test_on_enter(void* context) {
+void subghz_scene_test_on_enter(void* context) {
     SubGhz* subghz = context;
 
     submenu_add_item(
@@ -31,7 +31,7 @@ const void subghz_scene_test_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewMenu);
 }
 
-const bool subghz_scene_test_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_test_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
 
     if(event.type == SceneManagerEventTypeCustom) {
@@ -55,7 +55,7 @@ const bool subghz_scene_test_on_event(void* context, SceneManagerEvent event) {
     return false;
 }
 
-const void subghz_scene_test_on_exit(void* context) {
+void subghz_scene_test_on_exit(void* context) {
     SubGhz* subghz = context;
     submenu_clean(subghz->submenu);
 }
diff --git a/applications/subghz/scenes/subghz_scene_test_carrier.c b/applications/subghz/scenes/subghz_scene_test_carrier.c
index ef1fa1fc..ecc42260 100644
--- a/applications/subghz/scenes/subghz_scene_test_carrier.c
+++ b/applications/subghz/scenes/subghz_scene_test_carrier.c
@@ -1,15 +1,15 @@
 #include "../subghz_i.h"
 
-const void subghz_scene_test_carrier_on_enter(void* context) {
+void subghz_scene_test_carrier_on_enter(void* context) {
     SubGhz* subghz = context;
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewTestCarrier);
 }
 
-const bool subghz_scene_test_carrier_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_test_carrier_on_event(void* context, SceneManagerEvent event) {
     // SubGhz* subghz = context;
     return false;
 }
 
-const void subghz_scene_test_carrier_on_exit(void* context) {
+void subghz_scene_test_carrier_on_exit(void* context) {
     // SubGhz* subghz = context;
 }
diff --git a/applications/subghz/scenes/subghz_scene_test_packet.c b/applications/subghz/scenes/subghz_scene_test_packet.c
index 7c275814..e4933bab 100644
--- a/applications/subghz/scenes/subghz_scene_test_packet.c
+++ b/applications/subghz/scenes/subghz_scene_test_packet.c
@@ -1,15 +1,15 @@
 #include "../subghz_i.h"
 
-const void subghz_scene_test_packet_on_enter(void* context) {
+void subghz_scene_test_packet_on_enter(void* context) {
     SubGhz* subghz = context;
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewTestPacket);
 }
 
-const bool subghz_scene_test_packet_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_test_packet_on_event(void* context, SceneManagerEvent event) {
     // SubGhz* subghz = context;
     return false;
 }
 
-const void subghz_scene_test_packet_on_exit(void* context) {
+void subghz_scene_test_packet_on_exit(void* context) {
     // SubGhz* subghz = context;
 }
diff --git a/applications/subghz/scenes/subghz_scene_test_static.c b/applications/subghz/scenes/subghz_scene_test_static.c
index 6d1403f5..f663c7fd 100644
--- a/applications/subghz/scenes/subghz_scene_test_static.c
+++ b/applications/subghz/scenes/subghz_scene_test_static.c
@@ -1,15 +1,15 @@
 #include "../subghz_i.h"
 
-const void subghz_scene_test_static_on_enter(void* context) {
+void subghz_scene_test_static_on_enter(void* context) {
     SubGhz* subghz = context;
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewStatic);
 }
 
-const bool subghz_scene_test_static_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_test_static_on_event(void* context, SceneManagerEvent event) {
     // SubGhz* subghz = context;
     return false;
 }
 
-const void subghz_scene_test_static_on_exit(void* context) {
+void subghz_scene_test_static_on_exit(void* context) {
     // SubGhz* subghz = context;
 }
diff --git a/applications/subghz/scenes/subghz_scene_transmitter.c b/applications/subghz/scenes/subghz_scene_transmitter.c
index 8e743250..dd1f3030 100644
--- a/applications/subghz/scenes/subghz_scene_transmitter.c
+++ b/applications/subghz/scenes/subghz_scene_transmitter.c
@@ -55,7 +55,7 @@ static void subghz_scene_transmitter_update_data_show(void* context) {
     }
 }
 
-const void subghz_scene_transmitter_on_enter(void* context) {
+void subghz_scene_transmitter_on_enter(void* context) {
     SubGhz* subghz = context;
     subghz_transmitter_set_callback(
         subghz->subghz_transmitter, subghz_scene_transmitter_callback, subghz);
@@ -64,7 +64,7 @@ const void subghz_scene_transmitter_on_enter(void* context) {
     view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewTransmitter);
 }
 
-const bool subghz_scene_transmitter_on_event(void* context, SceneManagerEvent event) {
+bool subghz_scene_transmitter_on_event(void* context, SceneManagerEvent event) {
     SubGhz* subghz = context;
     if(event.type == SceneManagerEventTypeCustom) {
         if(event.event == SubghzTransmitterEventSendStart) {
@@ -100,7 +100,7 @@ const bool subghz_scene_transmitter_on_event(void* context, SceneManagerEvent ev
     return false;
 }
 
-const void subghz_scene_transmitter_on_exit(void* context) {
+void subghz_scene_transmitter_on_exit(void* context) {
     SubGhz* subghz = context;
 
     subghz->state_notifications = NOTIFICATION_IDLE_STATE;
diff --git a/applications/subghz/subghz_cli.c b/applications/subghz/subghz_cli.c
index 46149d4e..52e6b6d3 100644
--- a/applications/subghz/subghz_cli.c
+++ b/applications/subghz/subghz_cli.c
@@ -179,7 +179,7 @@ static void subghz_cli_command_rx_callback(bool level, uint32_t duration, void*
 static void subghz_cli_command_rx_text_callback(string_t text, void* context) {
     SubGhzCliCommandRx* instance = context;
     instance->packet_count++;
-    printf(string_get_cstr(text));
+    printf("%s", string_get_cstr(text));
 }
 
 void subghz_cli_command_rx(Cli* cli, string_t args, void* context) {
diff --git a/firmware/targets/f6/furi-hal/furi-hal-bt.c b/firmware/targets/f6/furi-hal/furi-hal-bt.c
index 7fab63ed..0e3d2331 100644
--- a/firmware/targets/f6/furi-hal/furi-hal-bt.c
+++ b/firmware/targets/f6/furi-hal/furi-hal-bt.c
@@ -61,7 +61,7 @@ bool furi_hal_bt_is_active() {
 }
 
 bool furi_hal_bt_wait_startup() {
-    uint8_t counter = 0;
+    uint16_t counter = 0;
     while (!(APPE_Status() == BleGlueStatusStarted || APPE_Status() == BleGlueStatusBroken)) {
         osDelay(10);
         counter++;
diff --git a/firmware/targets/f6/furi-hal/furi-hal-ibutton.c b/firmware/targets/f6/furi-hal/furi-hal-ibutton.c
index 6e3c8bee..8a0af9f9 100644
--- a/firmware/targets/f6/furi-hal/furi-hal-ibutton.c
+++ b/firmware/targets/f6/furi-hal/furi-hal-ibutton.c
@@ -3,12 +3,12 @@
 
 void furi_hal_ibutton_start() {
     furi_hal_ibutton_pin_high();
-    hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow);
 }
 
 void furi_hal_ibutton_stop() {
     furi_hal_ibutton_pin_high();
-    hal_gpio_init(&ibutton_gpio, GpioModeAnalog, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&ibutton_gpio, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
 }
 
 void furi_hal_ibutton_pin_low() {
diff --git a/firmware/targets/f6/furi-hal/furi-hal-rfid.c b/firmware/targets/f6/furi-hal/furi-hal-rfid.c
index 8b5266c3..a9bbc32c 100644
--- a/firmware/targets/f6/furi-hal/furi-hal-rfid.c
+++ b/firmware/targets/f6/furi-hal/furi-hal-rfid.c
@@ -18,11 +18,11 @@ void furi_hal_rfid_pins_reset() {
     furi_hal_ibutton_stop();
 
     // pulldown rfid antenna
-    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_carrier_out, false);
 
     // from both sides
-    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_pull, true);
 }
 
@@ -36,7 +36,7 @@ void furi_hal_rfid_pins_emulate() {
         &gpio_rfid_pull, GpioModeAltFunctionPushPull, GpioPullNo, GpioSpeedLow, GpioAltFn1TIM2);
 
     // pull rfid antenna from carrier side
-    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_carrier_out, false);
 }
 
@@ -46,7 +46,7 @@ void furi_hal_rfid_pins_read() {
     furi_hal_ibutton_pin_low();
 
     // dont pull rfid antenna
-    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_pull, false);
 
     // carrier pin to timer out
@@ -58,7 +58,7 @@ void furi_hal_rfid_pins_read() {
         GpioAltFn1TIM1);
 
     // comparator in
-    hal_gpio_init(&gpio_rfid_data_in, GpioModeAnalog, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_data_in, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
 }
 
 void furi_hal_rfid_tim_read(float freq, float duty_cycle) {
diff --git a/firmware/targets/f7/furi-hal/furi-hal-bt.c b/firmware/targets/f7/furi-hal/furi-hal-bt.c
index 7fab63ed..0e3d2331 100644
--- a/firmware/targets/f7/furi-hal/furi-hal-bt.c
+++ b/firmware/targets/f7/furi-hal/furi-hal-bt.c
@@ -61,7 +61,7 @@ bool furi_hal_bt_is_active() {
 }
 
 bool furi_hal_bt_wait_startup() {
-    uint8_t counter = 0;
+    uint16_t counter = 0;
     while (!(APPE_Status() == BleGlueStatusStarted || APPE_Status() == BleGlueStatusBroken)) {
         osDelay(10);
         counter++;
diff --git a/firmware/targets/f7/furi-hal/furi-hal-ibutton.c b/firmware/targets/f7/furi-hal/furi-hal-ibutton.c
index 6e3c8bee..8a0af9f9 100644
--- a/firmware/targets/f7/furi-hal/furi-hal-ibutton.c
+++ b/firmware/targets/f7/furi-hal/furi-hal-ibutton.c
@@ -3,12 +3,12 @@
 
 void furi_hal_ibutton_start() {
     furi_hal_ibutton_pin_high();
-    hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow);
 }
 
 void furi_hal_ibutton_stop() {
     furi_hal_ibutton_pin_high();
-    hal_gpio_init(&ibutton_gpio, GpioModeAnalog, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&ibutton_gpio, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
 }
 
 void furi_hal_ibutton_pin_low() {
diff --git a/firmware/targets/f7/furi-hal/furi-hal-rfid.c b/firmware/targets/f7/furi-hal/furi-hal-rfid.c
index 2a968b7a..d0772231 100644
--- a/firmware/targets/f7/furi-hal/furi-hal-rfid.c
+++ b/firmware/targets/f7/furi-hal/furi-hal-rfid.c
@@ -18,11 +18,11 @@ void furi_hal_rfid_pins_reset() {
     furi_hal_ibutton_stop();
 
     // pulldown rfid antenna
-    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_carrier_out, false);
 
     // from both sides
-    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_pull, true);
 
     hal_gpio_init_simple(&gpio_rfid_carrier, GpioModeAnalog);
@@ -38,7 +38,7 @@ void furi_hal_rfid_pins_emulate() {
         &gpio_rfid_pull, GpioModeAltFunctionPushPull, GpioPullNo, GpioSpeedLow, GpioAltFn1TIM2);
 
     // pull rfid antenna from carrier side
-    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_carrier_out, false);
 
     hal_gpio_init_ex(
@@ -51,7 +51,7 @@ void furi_hal_rfid_pins_read() {
     furi_hal_ibutton_pin_low();
 
     // dont pull rfid antenna
-    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
     hal_gpio_write(&gpio_rfid_pull, false);
 
     // carrier pin to timer out
@@ -63,7 +63,7 @@ void furi_hal_rfid_pins_read() {
         GpioAltFn1TIM1);
 
     // comparator in
-    hal_gpio_init(&gpio_rfid_data_in, GpioModeAnalog, GpioSpeedLow, GpioPullNo);
+    hal_gpio_init(&gpio_rfid_data_in, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
 }
 
 void furi_hal_rfid_tim_read(float freq, float duty_cycle) {
diff --git a/lib/drivers/cc1101.c b/lib/drivers/cc1101.c
index 4e020b70..0d5a23df 100644
--- a/lib/drivers/cc1101.c
+++ b/lib/drivers/cc1101.c
@@ -174,7 +174,7 @@ uint8_t cc1101_read_fifo(const FuriHalSpiDevice* device, uint8_t* data, uint8_t*
 
     // First byte - packet length
     furi_hal_spi_bus_trx(device->bus, buff_tx, buff_rx, 2, CC1101_TIMEOUT);
-    *size = buff_rx[2];
+    *size = buff_rx[1];
     furi_hal_spi_bus_trx(device->bus, &buff_tx[1], data, *size, CC1101_TIMEOUT);
     cc1101_flush_rx(device);
 
diff --git a/lib/subghz/subghz_parser.c b/lib/subghz/subghz_parser.c
index 6fc8f1f4..490d728e 100644
--- a/lib/subghz/subghz_parser.c
+++ b/lib/subghz/subghz_parser.c
@@ -54,7 +54,7 @@ static void subghz_parser_text_rx_callback(SubGhzProtocolCommon* parser, void* c
     if(instance->text_callback) {
         instance->text_callback(output, instance->text_callback_context);
     } else {
-        printf(string_get_cstr(output));
+        printf("%s", string_get_cstr(output));
     }
     string_clear(output);
 }