: Format a USB flash drive (at least 8GB) to FAT32 .
Press and on the TV (not the remote) while plugging it back into the power source. Download MT5522S PC822 3840x2160 Telefunken part10 rar
: The TV will typically restart automatically once finished. Do not turn off the power during this process. : Format a USB flash drive (at least 8GB) to FAT32
: You must have every part (Part 1 through Part 10) in the same folder on your computer. Download MT5522S PC822 3840x2160 Telefunken part10 rar
: Using the wrong firmware can permanently "brick" your TV. Double-check that your TV's mainboard model is exactly TP.MT5522S.PC822 and matches your screen panel type before proceeding.
Do you have the (e.g., TF-LED55S17T2SU) from the back of your TV to confirm this firmware is compatible?