diff --git a/firmware/targets/f6/api-hal/api-hal-version.c b/firmware/targets/f6/api-hal/api-hal-version.c
index 32b1fbd5..51b03432 100644
--- a/firmware/targets/f6/api-hal/api-hal-version.c
+++ b/firmware/targets/f6/api-hal/api-hal-version.c
@@ -1,58 +1,170 @@
 #include <api-hal-version.h>
+
+#include <furi.h>
 #include <stm32wbxx.h>
 #include <stm32wbxx_ll_rtc.h>
+
 #include <stdio.h>
 #include "ble.h"
 
-#define FLIPPER_NAME_LENGTH 8
+#define API_HAL_VERSION_OTP_HEADER_MAGIC 0xBABE
+#define API_HAL_VERSION_NAME_LENGTH 8
+#define API_HAL_VERSION_ARRAY_NAME_LENGTH (API_HAL_VERSION_NAME_LENGTH + 1)
+/** BLE symbol + "Flipper " + name */
+#define API_HAL_VERSION_DEVICE_NAME_LENGTH (1 + 8 + API_HAL_VERSION_ARRAY_NAME_LENGTH)
+#define API_HAL_VERSION_OTP_ADDRESS OTP_AREA_BASE
 
+/** OTP Versions enum */
+typedef enum {
+    ApiHalVersionOtpVersion0=0x00,
+    ApiHalVersionOtpVersion1=0x01,
+    ApiHalVersionOtpVersionEmpty=0xFFFFFFFE,
+    ApiHalVersionOtpVersionUnknown=0xFFFFFFFF,
+} ApiHalVersionOtpVersion;
+
+/** OTP V0 Structure: prototypes and early EVT */
 typedef struct {
-    uint8_t version;
-    uint8_t target;
-    uint8_t body;
-    uint8_t connect;
+    uint8_t board_version;
+    uint8_t board_target;
+    uint8_t board_body;
+    uint8_t board_connect;
+    uint32_t header_timestamp;
+    char name[API_HAL_VERSION_NAME_LENGTH];
+} ApiHalVersionOTPv0;
+
+/** OTP V1 Structure: late EVT, DVT, PVT, Production */
+typedef struct {
+    /* First 64 bits: header */
+    uint16_t header_magic;
+    uint8_t header_version;
+    uint8_t header_reserved;
+    uint32_t header_timestamp;
+
+    /* Second 64 bits: board info */
+    uint8_t board_version; /** Board version */
+    uint8_t board_target; /** Board target firmware */
+    uint8_t board_body; /** Board body */
+    uint8_t board_connect; /** Board interconnect */
+    uint8_t board_color; /** Board color */
+    uint8_t board_region; /** Board region */
+    uint16_t board_reserved; /** Reserved for future use, 0x0000 */
+
+    /* Third 64 bits: Unique Device Name */
+    char name[API_HAL_VERSION_NAME_LENGTH]; /** Unique Device Name */
+} ApiHalVersionOTPv1;
+
+/** Represenation Model: */
+typedef struct {
+    ApiHalVersionOtpVersion otp_version;
+
     uint32_t timestamp;
-    char name[FLIPPER_NAME_LENGTH];
-} ApiHalVersionOTP;
 
-#define FLIPPER_ARRAY_NAME_LENGTH (FLIPPER_NAME_LENGTH + 1)
-// BLE symbol + "Flipper " + name
-#define FLIPPER_DEVICE_NAME_LENGTH (1 + 8 + FLIPPER_ARRAY_NAME_LENGTH)
+    uint8_t board_version; /** Board version */
+    uint8_t board_target; /** Board target firmware */
+    uint8_t board_body; /** Board body */
+    uint8_t board_connect; /** Board interconnect */
+    uint8_t board_color; /** Board color */
+    uint8_t board_region; /** Board region */
 
-// Initialiazed from OTP, used to guarantee zero terminated C string
-static char flipper_name[FLIPPER_ARRAY_NAME_LENGTH];
-static char flipper_device_name[FLIPPER_DEVICE_NAME_LENGTH];
-static uint8_t api_hal_version_ble_mac[6];
+    char name[API_HAL_VERSION_ARRAY_NAME_LENGTH]; /** \0 terminated name */
+    char device_name[API_HAL_VERSION_DEVICE_NAME_LENGTH];  /** device name for special needs */
+    uint8_t ble_mac[6];
+} ApiHalVersion;
 
-void api_hal_version_init() {
-    char* name = ((ApiHalVersionOTP*)OTP_AREA_BASE)->name;
-    strlcpy(flipper_name, name, FLIPPER_ARRAY_NAME_LENGTH);
+static ApiHalVersion api_hal_version = {0};
 
-    if(api_hal_version_get_name_ptr() != NULL) {
+static ApiHalVersionOtpVersion api_hal_version_get_otp_version() {
+    if (*(uint64_t*)API_HAL_VERSION_OTP_ADDRESS == 0xFFFFFFFF) {
+        return ApiHalVersionOtpVersionEmpty;
+    } else {
+        if (((ApiHalVersionOTPv1*)API_HAL_VERSION_OTP_ADDRESS)->header_magic == API_HAL_VERSION_OTP_HEADER_MAGIC) {
+            return ApiHalVersionOtpVersion1;
+        } else if (((ApiHalVersionOTPv0*)API_HAL_VERSION_OTP_ADDRESS)->board_version <= 10) {
+            return ApiHalVersionOtpVersion0;
+        } else {
+            return ApiHalVersionOtpVersionUnknown;
+        }
+    }
+}
+
+static void api_hal_version_set_name(const char* name) {
+    if(name != NULL) {
+        strlcpy(api_hal_version.name, name, API_HAL_VERSION_ARRAY_NAME_LENGTH);
         snprintf(
-            flipper_device_name,
-            FLIPPER_DEVICE_NAME_LENGTH,
+            api_hal_version.device_name,
+            API_HAL_VERSION_DEVICE_NAME_LENGTH,
             "xFlipper %s",
-            flipper_name);
+            api_hal_version.name);
     } else {
         snprintf(
-            flipper_device_name,
-            FLIPPER_DEVICE_NAME_LENGTH,
+            api_hal_version.device_name,
+            API_HAL_VERSION_DEVICE_NAME_LENGTH,
             "xFlipper");
     }
 
-    flipper_device_name[0] = AD_TYPE_COMPLETE_LOCAL_NAME;
+    api_hal_version.device_name[0] = AD_TYPE_COMPLETE_LOCAL_NAME;
 
     // BLE Mac address
     uint32_t udn = LL_FLASH_GetUDN();
     uint32_t company_id = LL_FLASH_GetSTCompanyID();
     uint32_t device_id = LL_FLASH_GetDeviceID();
-    api_hal_version_ble_mac[0] = (uint8_t)(udn & 0x000000FF);
-    api_hal_version_ble_mac[1] = (uint8_t)( (udn & 0x0000FF00) >> 8 );
-    api_hal_version_ble_mac[2] = (uint8_t)( (udn & 0x00FF0000) >> 16 );
-    api_hal_version_ble_mac[3] = (uint8_t)device_id;
-    api_hal_version_ble_mac[4] = (uint8_t)(company_id & 0x000000FF);;
-    api_hal_version_ble_mac[5] = (uint8_t)( (company_id & 0x0000FF00) >> 8 );
+    api_hal_version.ble_mac[0] = (uint8_t)(udn & 0x000000FF);
+    api_hal_version.ble_mac[1] = (uint8_t)( (udn & 0x0000FF00) >> 8 );
+    api_hal_version.ble_mac[2] = (uint8_t)( (udn & 0x00FF0000) >> 16 );
+    api_hal_version.ble_mac[3] = (uint8_t)device_id;
+    api_hal_version.ble_mac[4] = (uint8_t)(company_id & 0x000000FF);
+    api_hal_version.ble_mac[5] = (uint8_t)( (company_id & 0x0000FF00) >> 8 );
+}
+
+static void api_hal_version_load_otp_default() {
+    api_hal_version_set_name(NULL);
+}
+
+static void api_hal_version_load_otp_v0() {
+    const ApiHalVersionOTPv0* otp = (ApiHalVersionOTPv0*)API_HAL_VERSION_OTP_ADDRESS;
+
+    api_hal_version.timestamp = otp->header_timestamp;
+    api_hal_version.board_version = otp->board_version;
+    api_hal_version.board_target = otp->board_target;
+    api_hal_version.board_body = otp->board_body;
+    api_hal_version.board_connect = otp->board_connect;
+    api_hal_version.board_color = 0;
+    api_hal_version.board_region = 0;
+
+    api_hal_version_set_name(otp->name);
+}
+
+static void api_hal_version_load_otp_v1() {
+    const ApiHalVersionOTPv1* otp = (ApiHalVersionOTPv1*)API_HAL_VERSION_OTP_ADDRESS;
+
+    api_hal_version.timestamp = otp->header_timestamp;
+    api_hal_version.board_version = otp->board_version;
+    api_hal_version.board_target = otp->board_target;
+    api_hal_version.board_body = otp->board_body;
+    api_hal_version.board_connect = otp->board_connect;
+    api_hal_version.board_color = otp->board_color;
+    api_hal_version.board_region = otp->board_region;
+
+    api_hal_version_set_name(otp->name);
+}
+
+void api_hal_version_init() {
+    api_hal_version.otp_version = api_hal_version_get_otp_version();
+    switch(api_hal_version.otp_version) {
+        case ApiHalVersionOtpVersionUnknown:
+            api_hal_version_load_otp_default();
+        break;
+        case ApiHalVersionOtpVersionEmpty:
+            api_hal_version_load_otp_default();
+        break;
+        case ApiHalVersionOtpVersion0:
+            api_hal_version_load_otp_v0();
+        break;
+        case ApiHalVersionOtpVersion1:
+            api_hal_version_load_otp_v1();
+        break;
+        default: furi_check(0);
+    }
 }
 
 bool api_hal_version_do_i_belong_here() {
@@ -64,47 +176,47 @@ const char* api_hal_version_get_model_name() {
 }
 
 const uint8_t api_hal_version_get_hw_version() {
-    return ((ApiHalVersionOTP*)OTP_AREA_BASE)->version;
+    return api_hal_version.board_version;
 }
 
 const uint8_t api_hal_version_get_hw_target() {
-    return ((ApiHalVersionOTP*)OTP_AREA_BASE)->target;
+    return api_hal_version.board_target;
 }
 
 const uint8_t api_hal_version_get_hw_body() {
-    return ((ApiHalVersionOTP*)OTP_AREA_BASE)->body;
+    return api_hal_version.board_body;
 }
 
 const uint8_t api_hal_version_get_hw_color() {
-    return 0;
+    return api_hal_version.board_color;
 }
 
 const uint8_t api_hal_version_get_hw_connect() {
-    return ((ApiHalVersionOTP*)OTP_AREA_BASE)->connect;
+    return api_hal_version.board_connect;
 }
 
 const uint8_t api_hal_version_get_hw_region() {
-    return 0;
+    return api_hal_version.board_region;
 }
 
 const uint32_t api_hal_version_get_hw_timestamp() {
-    return ((ApiHalVersionOTP*)OTP_AREA_BASE)->timestamp;
+    return api_hal_version.timestamp;
 }
 
 const char* api_hal_version_get_name_ptr() {
-    return *flipper_name == 0xFFU ? NULL : flipper_name;
+    return *api_hal_version.name == 0x00 ? NULL : api_hal_version.name;
 }
 
 const char* api_hal_version_get_device_name_ptr() {
-    return flipper_device_name + 1;
+    return api_hal_version.device_name + 1;
 }
 
 const char* api_hal_version_get_ble_local_device_name_ptr() {
-    return flipper_device_name;
+    return api_hal_version.device_name;
 }
 
 const uint8_t* api_hal_version_get_ble_mac() {
-    return api_hal_version_ble_mac;
+    return api_hal_version.ble_mac;
 }
 
 const struct Version* api_hal_version_get_firmware_version(void) {
diff --git a/scripts/ob.py b/scripts/ob.py
index 8b2a87f2..64a200c1 100755
--- a/scripts/ob.py
+++ b/scripts/ob.py
@@ -16,8 +16,14 @@ class Main:
         self.parser_check = self.subparsers.add_parser(
             "check", help="Check Option Bytes"
         )
+        self.parser_check.add_argument(
+            "--port", type=str, help="Port to connect: swd or usb1", default="swd"
+        )
         self.parser_check.set_defaults(func=self.check)
         self.parser_set = self.subparsers.add_parser("set", help="Set Option Bytes")
+        self.parser_set.add_argument(
+            "--port", type=str, help="Port to connect: swd or usb1", default="swd"
+        )
         self.parser_set.set_defaults(func=self.set)
         # logging
         self.logger = logging.getLogger()
@@ -52,9 +58,19 @@ class Main:
         self.logger.info(f"Checking Option Bytes")
         try:
             output = subprocess.check_output(
-                ["STM32_Programmer_CLI", "-q", "-c port=swd", "-ob displ"]
+                [
+                    "STM32_Programmer_CLI",
+                    "-q",
+                    "-c",
+                    f"port={self.args.port}",
+                    "-ob displ",
+                ]
             )
             assert output
+        except subprocess.CalledProcessError as e:
+            self.logger.error(e.output.decode())
+            self.logger.error(f"Failed to call STM32_Programmer_CLI")
+            return
         except Exception as e:
             self.logger.error(f"Failed to call STM32_Programmer_CLI")
             self.logger.exception(e)
@@ -97,12 +113,18 @@ class Main:
                 [
                     "STM32_Programmer_CLI",
                     "-q",
-                    "-c port=swd",
-                    f"-ob {' '.join(options)}",
+                    "-c",
+                    f"port={self.args.port}",
+                    "-ob",
+                    *options,
                 ]
             )
             assert output
             self.logger.info(f"Success")
+        except subprocess.CalledProcessError as e:
+            self.logger.error(e.output.decode())
+            self.logger.error(f"Failed to call STM32_Programmer_CLI")
+            return
         except Exception as e:
             self.logger.error(f"Failed to call STM32_Programmer_CLI")
             self.logger.exception(e)
diff --git a/scripts/otp.py b/scripts/otp.py
index 29dab73e..09d150b8 100755
--- a/scripts/otp.py
+++ b/scripts/otp.py
@@ -2,12 +2,30 @@
 
 import logging
 import argparse
+import subprocess
 import os
 import sys
 import re
 import struct
 import datetime
 
+OTP_MAGIC = 0xBABE
+OTP_VERSION = 0x01
+OTP_RESERVED = 0x00
+
+OTP_COLORS = {
+    "unknown": 0x00,
+    "black": 0x01,
+    "white": 0x02,
+}
+OTP_REGIONS = {
+    "unknown": 0x00,
+    "europe": 0x01,
+    "usa": 0x02,
+}
+
+BOARD_RESERVED = 0x0000
+
 
 class Main:
     def __init__(self):
@@ -15,28 +33,25 @@ class Main:
         self.parser = argparse.ArgumentParser()
         self.parser.add_argument("-d", "--debug", action="store_true", help="Debug")
         self.subparsers = self.parser.add_subparsers(help="sub-command help")
+        # Generate
         self.parser_generate = self.subparsers.add_parser(
-            "generate", help="OTP HW version generator"
-        )
-        self.parser_generate.add_argument(
-            "--version", type=int, help="Version", required=True
-        )
-        self.parser_generate.add_argument(
-            "--firmware", type=int, help="Firmware", required=True
-        )
-        self.parser_generate.add_argument(
-            "--body", type=int, help="Body", required=True
-        )
-        self.parser_generate.add_argument(
-            "--connect", type=int, help="Connect", required=True
-        )
-        self.parser_generate.add_argument(
-            "--name", type=str, help="Name", required=True
+            "generate", help="Generate OTP binary"
         )
+        self._add_args(self.parser_generate)
         self.parser_generate.add_argument("file", help="Output file")
         self.parser_generate.set_defaults(func=self.generate)
+        # Flash
+        self.parser_flash = self.subparsers.add_parser(
+            "flash", help="Flash OTP to device"
+        )
+        self._add_args(self.parser_flash)
+        self.parser_flash.add_argument(
+            "--port", type=str, help="Port to connect: swd or usb1", default="swd"
+        )
+        self.parser_flash.set_defaults(func=self.flash)
         # logging
         self.logger = logging.getLogger()
+        self.timestamp = datetime.datetime.now().timestamp()
 
     def __call__(self):
         self.args = self.parser.parse_args()
@@ -53,39 +68,94 @@ class Main:
         # execute requested function
         self.args.func()
 
-    def generate(self):
-        self.logger.debug(f"Generating OTP")
+    def _add_args(self, parser):
+        parser.add_argument("--version", type=int, help="Version", default=10)
+        parser.add_argument("--firmware", type=int, help="Firmware", default=6)
+        parser.add_argument("--body", type=int, help="Body", default=8)
+        parser.add_argument("--connect", type=int, help="Connect", default=5)
+        parser.add_argument("--color", type=str, help="Color", default="unknown")
+        parser.add_argument("--region", type=str, help="Region", default="unknown")
+        parser.add_argument("--name", type=str, help="Name", required=True)
 
-        if self.args.name:
-            name = re.sub(
-                "[^a-zA-Z0-9.]", "", self.args.name
-            )  # Filter all special characters
-            name = list(
-                map(str, map(ord, name[0:8]))
-            )  # Strip to 8 chars and map to ascii codes
-            while len(name) < 8:
-                name.append("0")
+    def _process_args(self):
+        if self.args.color not in OTP_COLORS:
+            self.parser.error(f"Invalid color. Use one of {OTP_COLORS.keys()}")
+        self.args.color = OTP_COLORS[self.args.color]
 
-            n1, n2, n3, n4, n5, n6, n7, n8 = map(int, name)
+        if self.args.region not in OTP_REGIONS:
+            self.parser.error(f"Invalid region. Use one of {OTP_REGIONS.keys()}")
+        self.args.region = OTP_REGIONS[self.args.region]
 
-        data = struct.pack(
-            "<BBBBLBBBBBBBB",
+        if len(self.args.name) > 8:
+            self.parser.error("Name is too long. Max 8 symbols.")
+        if re.match(r"[a-zA-Z0-9]+", self.args.name) is None:
+            self.parser.error(
+                "Name contains incorrect symbols. Only a-zA-Z0-9 allowed."
+            )
+
+    def _pack_struct(self):
+        return struct.pack(
+            "<" "HBBL" "BBBBBBH" "8s",
+            OTP_MAGIC,
+            OTP_VERSION,
+            OTP_RESERVED,
+            int(self.timestamp),
             self.args.version,
             self.args.firmware,
             self.args.body,
             self.args.connect,
-            int(datetime.datetime.now().timestamp()),
-            n1,
-            n2,
-            n3,
-            n4,
-            n5,
-            n6,
-            n7,
-            n8,
+            self.args.color,
+            self.args.region,
+            BOARD_RESERVED,
+            self.args.name.encode("ascii"),
         )
+
+    def generate(self):
+        self.logger.debug(f"Generating OTP")
+        self._process_args()
+        data = self._pack_struct()
         open(self.args.file, "wb").write(data)
 
+    def flash(self):
+        self.logger.debug(f"Flashing OTP")
+        self._process_args()
+        data = self._pack_struct()
+        filename = f"otp_{self.args.name}_{self.timestamp}.bin"
+        open(filename, "wb").write(data)
+
+        try:
+            output = subprocess.check_output(
+                [
+                    "STM32_Programmer_CLI",
+                    "-q",
+                    "-c",
+                    f"port={self.args.port}",
+                    "-d",
+                    filename,
+                    "0x1FFF7000",
+                ]
+            )
+            assert output
+            self.logger.info(f"Success")
+        except subprocess.CalledProcessError as e:
+            self.logger.error(e.output.decode())
+            self.logger.error(f"Failed to call STM32_Programmer_CLI")
+            return
+        except Exception as e:
+            self.logger.error(f"Failed to call STM32_Programmer_CLI")
+            self.logger.exception(e)
+            return
+        # reboot
+        subprocess.check_output(
+            [
+                "STM32_Programmer_CLI",
+                "-q",
+                "-c",
+                f"port={self.args.port}",
+            ]
+        )
+        os.remove(filename)
+
 
 if __name__ == "__main__":
     Main()()