diff --git a/firmware/console/binary/tunerstudio.cpp b/firmware/console/binary/tunerstudio.cpp
index f6627759af..c9b98e7be2 100644
--- a/firmware/console/binary/tunerstudio.cpp
+++ b/firmware/console/binary/tunerstudio.cpp
@@ -254,6 +254,8 @@ void handlePageSelectCommand(ts_channel_s *tsChannel, ts_response_format_e mode,
 }
 
 /**
+ * Copy specified amount of bytes from specified offset from communication layer working copy into real configuration
+ *
  * Some changes like changing VE table or timing table are applied right away, meaning
  * that the values are copied from communication copy into actual engine control copy right away.
  * We call these parameters 'soft parameters'
@@ -263,7 +265,7 @@ void handlePageSelectCommand(ts_channel_s *tsChannel, ts_response_format_e mode,
  * On the contrary, 'hard parameters' are waiting for the Burn button to be clicked and configuration version
  * would be increased and much more complicated logic would be executed.
  */
-static void onlineTuneBytes(int currentPageId, uint32_t offset, int count) {
+static void onlineApplyWorkingCopyBytes(int currentPageId, uint32_t offset, int count) {
 	UNUSED(currentPageId);
 	if (offset > sizeof(engine_configuration_s)) {
 		int maxSize = sizeof(persistent_config_s) - offset;
@@ -312,7 +314,7 @@ void handleWriteChunkCommand(ts_channel_s *tsChannel, ts_response_format_e mode,
 
 	uint8_t * addr = (uint8_t *) (getWorkingPageAddr(currentPageId) + offset);
 	memcpy(addr, content, count);
-	onlineTuneBytes(currentPageId, offset, count);
+	onlineApplyWorkingCopyBytes(currentPageId, offset, count);
 
 	sendOkResponse(tsChannel, mode);
 }
@@ -370,7 +372,7 @@ void handleWriteValueCommand(ts_channel_s *tsChannel, ts_response_format_e mode,
 
 	getWorkingPageAddr(currentPageId)[offset] = value;
 
-	onlineTuneBytes(currentPageId, offset, 1);
+	onlineApplyWorkingCopyBytes(currentPageId, offset, 1);
 
 //	scheduleMsg(logger, "va=%d", configWorkingCopy.boardConfiguration.idleValvePin);
 }
@@ -589,6 +591,9 @@ static THD_FUNCTION(tsThreadEntryPoint, arg) {
 	runBinaryProtocolLoop(&tsChannel);
 }
 
+/**
+ * Copy real configuration into the communications layer working copy
+ */
 void syncTunerStudioCopy(void) {
 #if !defined(EFI_NO_CONFIG_WORKING_COPY) || defined(__DOXYGEN__)
 	memcpy(&configWorkingCopy, &persistentState.persistentConfiguration, sizeof(persistent_config_s));
diff --git a/firmware/console/console_io.h b/firmware/console/console_io.h
index d70e93594c..fc613e36ac 100644
--- a/firmware/console/console_io.h
+++ b/firmware/console/console_io.h
@@ -25,8 +25,8 @@ typedef void (*CommandHandler)(char *);
 #include "datalogging.h"
 
 #ifdef CONFIG_RESET_SWITCH_PORT
-// todo: make this pin configurable
-#define SHOULD_INGORE_FLASH() (CONFIG_RESET_SWITCH_PORT != NULL && palReadPad(CONFIG_RESET_SWITCH_PORT, CONFIG_RESET_SWITCH_PIN) == 0)
+// todo: make this pin configurable? or maybe it should not be configurable?
+#define SHOULD_INGORE_FLASH() (palReadPad(CONFIG_RESET_SWITCH_PORT, CONFIG_RESET_SWITCH_PIN) == 0)
 #else
 #define SHOULD_INGORE_FLASH() (false)
 #endif
diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index ddeb831975..ddaee41dd2 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -1357,7 +1357,7 @@ void resetConfigurationExt(Logging * logger, engine_type_e engineType DECLARE_EN
 
 #if EFI_TUNER_STUDIO
 	syncTunerStudioCopy();
-#endif
+#endif /* EFI_TUNER_STUDIO */
 }
 
 void validateConfiguration(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index f3e89f2c16..cc735891a9 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -441,6 +441,16 @@ static void getByte(int offset) {
 	scheduleMsg(&logger, "byte%s%d is %d", CONSOLE_DATA_PROTOCOL_TAG, offset, value);
 }
 
+static void onConfigurationChanged() {
+#if EFI_TUNER_STUDIO
+	// on start-up rusEfi would read from working copy of TS while
+	// we have a lot of console commands which write into real copy of configuration directly
+	// we have a bit of a mess here
+	syncTunerStudioCopy();
+#endif /* EFI_TUNER_STUDIO */
+	incrementGlobalConfigurationVersion(PASS_ENGINE_PARAMETER_SIGNATURE);
+}
+
 static void setBit(const char *offsetStr, const char *bitStr, const char *valueStr) {
 	int offset = atoi(offsetStr);
 	if (absI(offset) == absI(ERROR_CODE)) {
@@ -466,7 +476,7 @@ static void setBit(const char *offsetStr, const char *bitStr, const char *valueS
 	 * this response is part of dev console API
 	 */
 	scheduleMsg(&logger, "bit%s%d/%d is %d", CONSOLE_DATA_PROTOCOL_TAG, offset, bit, value);
-	incrementGlobalConfigurationVersion(PASS_ENGINE_PARAMETER_SIGNATURE);
+	onConfigurationChanged();
 }
 
 static void setShort(const int offset, const int value) {
@@ -475,7 +485,7 @@ static void setShort(const int offset, const int value) {
 	uint16_t *ptr = (uint16_t *) (&((char *) engineConfiguration)[offset]);
 	*ptr = (uint16_t) value;
 	getShort(offset);
-	incrementGlobalConfigurationVersion(PASS_ENGINE_PARAMETER_SIGNATURE);
+	onConfigurationChanged();
 }
 
 static void setByte(const int offset, const int value) {
@@ -484,7 +494,7 @@ static void setByte(const int offset, const int value) {
 	uint8_t *ptr = (uint8_t *) (&((char *) engineConfiguration)[offset]);
 	*ptr = (uint8_t) value;
 	getByte(offset);
-	incrementGlobalConfigurationVersion(PASS_ENGINE_PARAMETER_SIGNATURE);
+	onConfigurationChanged();
 }
 
 static void getBit(int offset, int bit) {
@@ -515,7 +525,7 @@ static void setInt(const int offset, const int value) {
 	int *ptr = (int *) (&((char *) engineConfiguration)[offset]);
 	*ptr = value;
 	getInt(offset);
-	incrementGlobalConfigurationVersion(PASS_ENGINE_PARAMETER_SIGNATURE);
+	onConfigurationChanged();
 }
 
 static void getFloat(int offset) {
@@ -545,6 +555,7 @@ static void setFloat(const char *offsetStr, const char *valueStr) {
 	float *ptr = (float *) (&((char *) engineConfiguration)[offset]);
 	*ptr = value;
 	getFloat(offset);
+	onConfigurationChanged();
 }
 
 #if EFI_ENABLE_MOCK_ADC || EFI_SIMULATOR
diff --git a/firmware/controllers/flash_main.cpp b/firmware/controllers/flash_main.cpp
index a49090393b..0a7f2c829b 100644
--- a/firmware/controllers/flash_main.cpp
+++ b/firmware/controllers/flash_main.cpp
@@ -171,6 +171,16 @@ static void rewriteConfig(void) {
 	writeToFlashNow();
 }
 
+static void writeConfigCommand() {
+#if EFI_TUNER_STUDIO
+	// on start-up rusEfi would read from working copy of TS while
+	// we have a lot of console commands which write into real copy of configuration directly
+	// we have a bit of a mess here
+	syncTunerStudioCopy();
+#endif /* EFI_TUNER_STUDIO */
+	writeToFlashNow();
+}
+
 void initFlash(Logging *sharedLogger) {
 	logger = sharedLogger;
 
@@ -178,7 +188,7 @@ void initFlash(Logging *sharedLogger) {
 	/**
 	 * This would write NOW (you should not be doing this while connected to real engine)
 	 */
-	addConsoleAction("writeconfig", writeToFlashNow);
+	addConsoleAction("writeconfig", writeConfigCommand);
 #if EFI_TUNER_STUDIO || defined(__DOXYGEN__)
 	/**
 	 * This would schedule write to flash once the engine is stopped
diff --git a/firmware/hw_layer/hardware.cpp b/firmware/hw_layer/hardware.cpp
index 2aeea4ff3f..188f6243cf 100644
--- a/firmware/hw_layer/hardware.cpp
+++ b/firmware/hw_layer/hardware.cpp
@@ -369,7 +369,9 @@ void initHardware(Logging *l) {
 
 #if EFI_INTERNAL_FLASH
 
+#ifdef CONFIG_RESET_SWITCH_PORT
 	palSetPadMode(CONFIG_RESET_SWITCH_PORT, CONFIG_RESET_SWITCH_PIN, PAL_MODE_INPUT_PULLUP);
+#endif /* CONFIG_RESET_SWITCH_PORT */
 
 	initFlash(sharedLogger);
 	/**