: Firmware is typically distributed in compressed formats like .rar or .zip . A "part1.rar" suffix indicates the file is part of a multi-volume archive that requires all parts (e.g., part1, part2) to be downloaded before extraction. General Firmware Installation Guide
The update may take 3 to 7 minutes. power off the TV or remove the USB drive during this process. Download RT2938P838 1920x1080 Gosonic Firmware part1 rar
Copy the extracted firmware file directly to the of the USB drive; do not place it inside any folders. Flash the Firmware : : Firmware is typically distributed in compressed formats