: Since your request mentions "part03.rar," you must download all parts (e.g., part01, part02, and part03) of the archive to the same folder. You cannot extract just one part; the extraction software needs all of them to rebuild the full .bin file.
Once completed, the TV will usually restart or return to a solid standby light. You can then remove the USB drive. : Since your request mentions "part03
To download the firmware for your (Main Board T.HV510.81 Go to product viewer dialog for this item. You can then remove the USB drive
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. Installation Instructions For the NIKAI T