diff --git a/App/app/uart.c b/App/app/uart.c
index 9d1bf597..d44d58d9 100644
--- a/App/app/uart.c
+++ b/App/app/uart.c
@@ -366,8 +366,8 @@ static void CMD_0514(uint32_t Port, const uint8_t *pBuffer)
 
     gSerialConfigCountDown_500ms = 12; // 6 sec
 
-    if (gEeprom.BACKLIGHT_TIME < 61) // backlight is set to be always on
-        BACKLIGHT_TurnOff();         // turn the LCD backlight off
+    // Backlight left untouched: a serial session is neutral, so the normal BLTime
+    // inactivity countdown keeps running from the last keypress (no forced turn-off).
 
     SendVersion(Port);
 }
@@ -624,8 +624,8 @@ static void CMD_052F(uint32_t Port, const uint8_t *pBuffer)
     }
 #endif
 
-    if (gEeprom.BACKLIGHT_TIME < 61) // backlight is set to be always on
-        BACKLIGHT_TurnOff();         // turn the LCD backlight off
+    // Backlight left untouched: a serial session is neutral, so the normal BLTime
+    // inactivity countdown keeps running from the last keypress (no forced turn-off).
 
     SendVersion(Port);
 }