diff --git a/firmware/targets/f4/Src/main.c b/firmware/targets/f4/Src/main.c
index 423e5d6b..7aff506f 100644
--- a/firmware/targets/f4/Src/main.c
+++ b/firmware/targets/f4/Src/main.c
@@ -215,7 +215,7 @@ void SystemClock_Config(void)
   PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
   PeriphClkInitStruct.RFWakeUpClockSelection = RCC_RFWKPCLKSOURCE_LSE;
   PeriphClkInitStruct.SmpsClockSelection = RCC_SMPSCLKSOURCE_HSE;
-  PeriphClkInitStruct.SmpsDivSelection = RCC_SMPSCLKDIV_RANGE0;
+  PeriphClkInitStruct.SmpsDivSelection = RCC_SMPSCLKDIV_RANGE1;
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
   {
     Error_Handler();
diff --git a/firmware/targets/f4/Src/rtc.c b/firmware/targets/f4/Src/rtc.c
index a09cd28b..8b7aea42 100644
--- a/firmware/targets/f4/Src/rtc.c
+++ b/firmware/targets/f4/Src/rtc.c
@@ -48,7 +48,7 @@ void MX_RTC_Init(void)
   }
 
   /* USER CODE BEGIN Check_RTC_BKUP */
-
+  return;
   /* USER CODE END Check_RTC_BKUP */
 
   /** Initialize RTC and set the Time and Date
diff --git a/firmware/targets/f4/f4.ioc b/firmware/targets/f4/f4.ioc
index 14041721..52b6389c 100644
--- a/firmware/targets/f4/f4.ioc
+++ b/firmware/targets/f4/f4.ioc
@@ -123,6 +123,7 @@ PB13.Mode=Output Compare1 CH1N
 TIM16.Prescaler=500 - 1
 PC15-OSC32_OUT.GPIOParameters=GPIO_Label
 I2C1.CustomTiming=Disabled
+RCC.SMPSDivider=4
 PA4.GPIO_Label=PA4
 ProjectManager.CustomerFirmwarePackage=
 PC4.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultEXTI
@@ -134,8 +135,8 @@ SH.GPXTI10.0=GPIO_EXTI10
 PCC.Ble.Mode=NOT_SELECTED
 PC4.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_RISING_FALLING
 RCC.PLLQoutputFreq_Value=64000000
-ProjectManager.ProjectFileName=f3-1.ioc
-RCC.SMPSFreq_Value=8000000
+ProjectManager.ProjectFileName=f4.ioc
+RCC.SMPSFreq_Value=4000000
 PA3.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_OD
 FREERTOS.Tasks01=defaultTask,24,1024,StartDefaultTask,Default,NULL,Dynamic,NULL,NULL;app_main,8,1024,app,As external,NULL,Dynamic,NULL,NULL
 ADC1.Rank-0\#ChannelRegularConversion=1
@@ -426,7 +427,7 @@ PE4.Signal=GPIO_Output
 PB0.Locked=true
 FREERTOS.configTOTAL_HEAP_SIZE=40960
 PC14-OSC32_IN.GPIOParameters=GPIO_Label
-ProjectManager.ProjectName=f3-1
+ProjectManager.ProjectName=f4
 RCC.APB3Freq_Value=16000000
 PA6.Signal=GPIO_Analog
 TIM2.Channel-Input_Capture2_from_TI1=TIM_CHANNEL_2
@@ -518,7 +519,7 @@ RCC.SMPSCLockSelectionVirtual=RCC_SMPSCLKSOURCE_HSE
 board=custom
 SH.GPXTI3.0=GPIO_EXTI3
 RCC.VCOOutputFreq_Value=128000000
-RCC.SMPS1Freq_Value=16000000
+RCC.SMPS1Freq_Value=8000000
 PB15.Mode=Full_Duplex_Master
 TIM16.Period=291
 NVIC.SavedSystickIrqHandlerGenerated=true
@@ -540,7 +541,7 @@ OSC_OUT.Locked=true
 PA4.GPIOParameters=GPIO_Label
 PH3-BOOT0.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_RISING_FALLING
 PB15.GPIOParameters=GPIO_Label
-RCC.IPParameters=ADCFreq_Value,AHB2CLKDivider,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,APB3Freq_Value,Cortex2Freq_Value,CortexFreq_Value,EnableCSSLSE,EnbaleCSS,FCLK2Freq_Value,FCLKCortexFreq_Value,FamilyName,HCLK2Freq_Value,HCLK3Freq_Value,HCLKFreq_Value,HCLKRFFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C3Freq_Value,LCDFreq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LSCOPinFreq_Value,LSE_Drive_Capability,LSE_Timout,LSI_VALUE,MCO1PinFreq_Value,MSIOscState,PLLM,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSAI1N,PLLSAI1PoutputFreq_Value,PLLSAI1QoutputFreq_Value,PLLSAI1RoutputFreq_Value,PLLSourceVirtual,PREFETCH_ENABLE,PWRFreq_Value,RFWKPClockSelection,RFWKPFreq_Value,RNGCLockSelection,RNGFreq_Value,RTCClockSelection,RTCFreq_Value,SAI1Freq_Value,SMPS1Freq_Value,SMPSCLockSelectionVirtual,SMPSFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,USART1Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAI1OutputFreq_Value
+RCC.IPParameters=ADCFreq_Value,AHB2CLKDivider,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,APB3Freq_Value,Cortex2Freq_Value,CortexFreq_Value,EnableCSSLSE,EnbaleCSS,FCLK2Freq_Value,FCLKCortexFreq_Value,FamilyName,HCLK2Freq_Value,HCLK3Freq_Value,HCLKFreq_Value,HCLKRFFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C3Freq_Value,LCDFreq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LSCOPinFreq_Value,LSE_Drive_Capability,LSE_Timout,LSI_VALUE,MCO1PinFreq_Value,MSIOscState,PLLM,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSAI1N,PLLSAI1PoutputFreq_Value,PLLSAI1QoutputFreq_Value,PLLSAI1RoutputFreq_Value,PLLSourceVirtual,PREFETCH_ENABLE,PWRFreq_Value,RFWKPClockSelection,RFWKPFreq_Value,RNGCLockSelection,RNGFreq_Value,RTCClockSelection,RTCFreq_Value,SAI1Freq_Value,SMPS1Freq_Value,SMPSCLockSelectionVirtual,SMPSDivider,SMPSFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,USART1Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAI1OutputFreq_Value
 ProjectManager.AskForMigrate=true
 Mcu.Name=STM32WB55RGVx
 NVIC.SavedPendsvIrqHandlerGenerated=false