diff --git a/app/app.c b/app/app.c
index b5d7e2f..1a87824 100644
--- a/app/app.c
+++ b/app/app.c
@@ -1330,7 +1330,7 @@ void APP_CheckKeys(void)
 		g_ptt_debounce_counter = 0;
 
 	// *****************
-
+	
 	// scan the hardware keys
 	Key = KEYBOARD_Poll();
 
@@ -1345,6 +1345,12 @@ void APP_CheckKeys(void)
 
 	g_boot_counter_10ms = 0;   // cancel boot screen/beeps
 
+	if (g_serial_config_count_down_500ms > 0)
+	{
+		g_boot_counter_10ms    = 0;        // cancel the boot-up screen
+		return;                            // the PC is uploading/downloading config
+	}
+	
 	if (g_key_reading_0 != Key)
 	{	// new key pressed
 
diff --git a/app/uart.c b/app/uart.c
index 189b07b..c5d19f9 100644
--- a/app/uart.c
+++ b/app/uart.c
@@ -39,6 +39,7 @@
 	#include "sram-overlay.h"
 #endif
 #include "version.h"
+#include "ui/ui.h"
 
 #define DMA_INDEX(x, y) (((x) + (y)) % sizeof(UART_DMA_Buffer))
 
@@ -238,7 +239,11 @@ static void CMD_0514(const uint8_t *pBuffer)
 	g_serial_config_count_down_500ms = serial_config_count_down_500ms;
 	
 	// turn the LCD backlight off
-	GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT);
+//	GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT);
+
+	// show message
+	g_request_display_screen = DISPLAY_MAIN;
+	g_update_display = true;
 
 	SendVersion();
 }
@@ -413,7 +418,11 @@ static void CMD_052F(const uint8_t *pBuffer)
 	Timestamp = pCmd->Timestamp;
 
 	// turn the LCD backlight off
-	GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT);
+//	GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT);
+
+	// show message
+	g_request_display_screen = DISPLAY_MAIN;
+	g_update_display = true;
 
 	SendVersion();
 }
diff --git a/firmware.bin b/firmware.bin
deleted file mode 100644
index c06c30e..0000000
Binary files a/firmware.bin and /dev/null differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
deleted file mode 100644
index 07e3635..0000000
Binary files a/firmware.packed.bin and /dev/null differ