Once completed, the TV will usually restart or return to a solid standby light. You can then remove the USB drive.

The standby light should start flashing rapidly, indicating the update has started. during this process.

Copy the extracted .bin file directly to the (not inside any folder). Installation Instructions For the NIKAI T.HV510.81 board, follow this standard USB update procedure: Power off the TV and unplug it from the wall. Insert the USB drive into the USB 1 port.

Ensure you are using the correct firmware for your specific panel (Resolution: 3840*2160 UHD 4K) to avoid issues like an upside-down or distorted picture.

While holding the button, plug the TV back into the power outlet.

), you can find the complete files on dedicated firmware repositories like Software Zone . These files are often hosted as multi-part RAR archives (such as the part03.rar you mentioned) on sites like Flash Dump Files .