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Unplug the TV, remove the USB drive, and then turn the TV back on.
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 Unplug the TV, remove the USB drive, and
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. Firmware Details Mainboard: TP
If you have successfully downloaded all parts (Part 1, 2, and 3) and extracted the .pkg file, follow these steps to flash your TV: Use a high-quality USB 2.0 drive, ideally 4GB or smaller . Format it to FAT32 . If you have successfully downloaded all parts (Part