: Place the firmware file in the root directory of the USB drive (not inside any folder). Flashing Process : Unplug the TV from power. Insert the USB drive into the USB 2.0 port.
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The firmware was never loaded, so the USB stack times out. Fix: Unplug the device, delete stale firmware from /lib/firmware , and reinstall the correct .fw file. Also try a different USB port (preferably USB 2.0, not USB 3.0). hk.t.rt2831p738 firmware
Power management or USB autosuspend. Fix: : Place the firmware file in the root