Do you have the of the TV this board is installed in?
If you obtain the .rar file, follow these steps to flash the firmware: Download S215 QT526C 1920X1080 Firmware USB rar
Wait for the indicator light to flash rapidly, indicating the update is in progress. until it finishes. Do you have the of the TV this board is installed in
Unzip the .rar file on your computer to find the firmware file (usually named MERGE.bin or similar). Download S215 QT526C 1920X1080 Firmware USB rar
Installing the incorrect firmware (e.g., the wrong resolution or panel voltage) can permanently "brick" your device or damage the LCD panel. Always verify the panel sticker matches the 1920x1080 resolution before proceeding.