If you are missing the other parts of the archive, they are frequently hosted on technician forums such as:
: Excellent for user-shared firmware and troubleshooting for the Polarline PU11TC series. If you are missing the other parts of
The files you're looking for, such as , are typically part of a multi-volume archive containing the USB recovery firmware for TVs using the TP.MT5522S.PC822 motherboard. This specific board is a common 4K Android chassis used in several budget brands like Polarline, Hamber, and Asano. Firmware Details Mainboard: TP.MT5522S.PC822 TV Model: Polarline 50PU11TC-SM Resolution: 3840x2160 (4K UHD) Panel: Often paired with PT500GT0-3 or similar Firmware Details Mainboard: TP
Copy the extracted .pkg file (e.g., allupgrade_5522_8G_1G_ref56.pkg ) directly to the of the drive (not inside any folder). Flash the Firmware: Turn off the TV and unplug it from the power outlet. Insert the USB drive into the USB 1 port. The indicator will flash slowly during the update
The indicator will flash slowly during the update (5–7 minutes).
: A reliable source for this exact chassis and model.