Press and hold the on the TV panel (not the remote). While holding the button, plug the power cord back in.
is a 4K Smart LED TV. Firmware updates for these models are often distributed in multi-part RAR archives (e.g., part1.rar , part2.rar ) due to the large file size of the Android-based OS. Step-by-Step Installation Guide
The software will automatically pull data from the other parts to create a single software file, usually named MstarUpgrade.bin or allupgrade_...pkg . Use a high-quality USB 2.0 drive (8GB or 16GB is ideal). Format the drive to FAT32 .
Copy the extracted firmware file directly to the of the USB (do not put it in a folder). Flash the Firmware Turn off the TV and unplug the power cord.
Do not turn off the power until the process reaches 100%. Troubleshooting Tips
If the TV doesn't start the update, try a different USB drive or a different USB port on the TV.
Insert the USB drive into the TV's USB port (prefer the USB 2.0 port if labeled).
Release the button once the "Software Upgrading" or "System Recovering" screen appears.