Never install firmware based solely on the "MSD338" chip name. You must open the back cover of your TV and look for the specific CVTE board number printed on the green PCB. Common variants include: TP.MS338.PB801 TP.MS338.PB818 TP.MS338.PC821 2. Match Panel Resolution and Backlight Voltage

: If an update is available, follow the prompts to download it. The TV will typically restart once the installation reaches 100%. 2. Manual USB Firmware Update

Copy the firmware file (often named MstarUpgrade.bin or update.img ) directly to the root of the USB drive. Do not put it in a folder.

The TV gets stuck on the loading logo and refuses to boot into the main menu.

Flashing firmware is safe if done correctly, but it risks rendering the board unusable (a "brick") if interrupted.

Copy the raw .bin file (e.g., MstarUpgrade.bin ) directly to the of the USB drive. Do not place it inside any folders. Step 2: The USB Flashing Procedure (Force Upgrade)

board is usually done out of necessity rather than just wanting new features. The most common reasons include:

After the initial boot—which can take up to 5 minutes as Android rebuilds its dalvik cache—you will be greeted by the setup wizard. Entering the Service Menu (Factory Settings)

Plug the TV back into power while continuing to hold the button until the standby light starts flashing or an "Upgrading" bar appears. Completion:

For seasoned technicians when all USB methods fail.