: Unplug the TV, remove the USB drive, and wait a few minutes before turning it back on. TP.MT5522S.PC822 UHD - Pinterest
: Place the firmware files (unzipped) directly into the root directory of the drive. Initiate Flash : Unplug the TV from power. Insert the USB drive into the TV. : Unplug the TV, remove the USB drive,
Press and hold the button on the TV while plugging it back into the outlet. Insert the USB drive into the TV
: A red indicator should start flashing. When it begins flashing rapidly between red and green, the update is complete. When it begins flashing rapidly between red and
The firmware you are looking for is likely the for the Polarline 43PU11TC-SM TV. This model utilizes the TP.MT5522S.PC822 mainboard and supports a 4K (3840x2160) resolution. Firmware Details & Sources
If you have successfully downloaded the archive parts and extracted them, follow these standard steps for : Format a USB flash drive to FAT32 .
: Factory configuration settings. How to Install (USB Method)