Incorrect firmware can send the wrong voltage (3.3V vs 5V vs 12V) to the panel, potentially frying the display .
Updating your device's core firmware is the best way to fix persistent bugs or glitches that might have caused connection drops or performance throttling over time. While software updates change how you use a device, this firmware update changes how the device performs at its most basic level. How to Install mnt686763 firmware exclusive