The TP.SK506S.PB802 board is universal, but the firmware is specific to the LCD panel (e.g., 1366x768 or 1920x1080 resolution). Look for a sticker on the back of the LCD panel inside the TV casing.
A progress bar should appear on the screen. Do not turn off the power during this process. The TV will typically reboot automatically once the installation is 100% complete. Troubleshooting Common Issues tpsk506spb802 firmware usb link
Try a different USB port or a different brand of USB drive. Ensure the drive is FAT32 and the file name is correct. The TP
If the firmware is in a ZIP or RAR archive, extract it. Copy only the .bin file directly to the root directory of your USB drive (do not put it inside a folder). Power Down: Unplug the TV from the wall outlet completely. Do not turn off the power during this process