: Move the .img file to the main (root) directory of the USB drive; do not place it inside any folders. Initiate Update : Turn off the TV and unplug the power. Insert the USB drive into the TV's USB port.
Plug the TV back in and turn it on. The update should start automatically.
Replacing or updating the firmware on this motherboard is often done to: such as boot loops or black screens. Optimize image quality and processing speed. Download MT5522 PC821 3840x2160 USB part01 rar
: A red LED will typically blink slowly during the update. When the blinking becomes rapid, the update is complete.
: If needed, the service menu code for this board is typically 1147 . Common Use Cases : Move the
The text refers to the first part of a compressed firmware update for the TP.MT5522.PC821
like WiFi or new applications on older displays. Plug the TV back in and turn it on
: Remove the USB drive, unplug the power once more, and restart the TV.