Do not power off the TV or remove the USB until the process is 100% complete.

Updating or restoring the firmware on these boards is generally performed using a USB flash drive. Below is the standard procedure for this motherboard type:

The firmware is specifically designed for the T.MS18VG.81B television motherboard, a common "China TV" chassis used in various brands of LED and LCD televisions. This specific version is configured for a display resolution of 1366x768 and is typically distributed as a .rar file for USB installation. Motherboard & Firmware Overview The T.MS18VG.81B

Open the downloaded rar archive using a tool like WinRAR or 7-Zip .

Plug the TV back in. On many MS18VG boards, the update starts automatically, indicated by a blinking standby LED.

Generic or brand-specific LED/LCD TVs (e.g., TCL, Sharp, and other Chinese-manufactured models).