: Press Menu + 1147 on the remote to access the hidden service menu.
: Format your USB drive to FAT32 on a computer. Copy the firmware file (usually named something like allupgrade_v56_pb801.bin ) directly to the root directory of the USB. Do not place it inside any folders.
: Unplug the power cord from the wall outlet. Insert USB : Plug the USB drive into the TV's USB port. Initiate Flashing : Press and hold the Power Button on the TV (not the remote). : Press Menu + 1147 on the remote
: Do not power off the TV until the flashing light stops or the TV restarts automatically. This usually takes 1–3 minutes.
If the screen is upside down or the resolution is incorrect after flashing: Do not place it inside any folders
The standby indicator light should start flashing rapidly, indicating the update is in progress.
: Some V56 boards allow resolution changes via remote codes (e.g., Input + 03661 ). Troubleshooting Initiate Flashing : Press and hold the Power
: The extracted .bin file from your downloaded .rar archive. Installation Guide