Tp.mt5522.pc821 Firmware -
Typically 1GB RAM and 8GB Flash storage (EMMC).
Firmware for this board is usually distributed as a compressed file containing an allupgrade or .bin file. TP.MT5522.PC821 4K TV Motherboard Instruction Manual Tp.mt5522.pc821 Firmware
You may need the if your TV experiences: Typically 1GB RAM and 8GB Flash storage (EMMC)