: The standby light (LED) will usually flash rapidly during the process. Do not turn off the power until the flashing stops or the TV reboots. Finalize : Remove the USB drive and power cycle the TV.
: Ensure all downloaded files have the exact same name except for the "part#" suffix. 2. Extract the Firmware Use Extraction Software : Use a tool like WinRAR or 7-Zip . Download P75 628VX 1366x768 Nautical part4 rar
: Place the extracted .bin file directly into the root directory (not inside any folders) of the USB drive. 4. Flash the Firmware to the TV Power Off : Unplug the TV from the power outlet. Insert USB : Plug the USB drive into the TV's USB port. Initiate Update : : The standby light (LED) will usually flash
: Simply plug the TV in and wait; some P75 boards auto-detect the firmware. : Ensure all downloaded files have the exact