Ensure the flash drive is under 32GB and strictly formatted to . Flashing stops halfway Corrupted download or failing eMMC block.
If you attempt the procedure and nothing happens (the TV simply remains dead or continues its original boot loop), run through this validation checklist:
To recap the critical path:
Re-download the firmware. If it still halts, the eMMC chip must be replaced using a hardware programmer. Correct board firmware but mismatched panel variant.
Extract the firmware file from its ZIP or RAR archive. Copy the raw file directly to the root directory of the USB drive. Do not place it inside any folders.
If the web interface is stuck in a boot loop: