If the TV doesn't start the update, try a different, smaller USB stick (USB 2.0 is preferred).
While the Tp.mt5522.pc821 firmware is designed to provide a range of benefits, users may encounter some issues during or after the update process. Some common issues include: Tp.mt5522.pc821 Firmware
ensures you use the correct firmware variant and do not permanently brick the television hardware. If the TV doesn't start the update, try