sha256sum hktrt2831p738_v3.0.2.bin
High. Requires micro-soldering experience and specialized hardware. Step-by-Step Selection Matrix hktrt2831p738 firmware best
Press and hold down the physical Power Button directly on the television casing (not the remote control). While keeping this button pressed, plug the power cord back into the wall outlet. sha256sum hktrt2831p738_v3
: If the USB update doesn't start, try a different USB port or a different brand of USB flash drive. hktrt2831p738 firmware best
: The screen will show an update process. DO NOT power off the TV during this process .
Look for a "lite" or stripped-down firmware that reduces overhead.