Turn on the main power switch while continuing to hold the button.
Release the button when the "Software Upgrading" or "Loading" progress bar appears on the screen. Turn on the main power switch while continuing
Ensure you download all parts (e.g., Part 1, Part 2, and Part 3). If you only download Part 3, you cannot extract the firmware. 2. How to Extract Multi-Part RAR Files If you only download Part 3, you cannot extract the firmware
Move the extracted firmware file to the root directory of the USB (not inside any folder). Flash Procedure: Turn off the TV power from the main switch. Insert the USB into the TV's USB port. Flash Procedure: Turn off the TV power from the main switch
Once you have the extracted file, follow this general procedure for MS338 boards: Format a USB drive (8GB or 16GB) to FAT32 .
After installation, you may need to access the service menu to adjust the screen mirror or logo: Press Menu + 1147 or Source + 2580 .
Press Mute + 182 + Power from standby.