Once the flashing stops, remove the USB and restart the TV.
: Disconnect the 12V power supply adapter from the TV board.
: Once the IR indicator stops flashing or returns to a solid standby color, the update is finished. Unplug the USB drive and restart the display. 🔢 T.R67.03 V5 Remote Resolution Codes
A reliable USB 2.0 Flash Drive (4GB to 16GB is ideal, formatted to FAT32).