The device restarts repeatedly before reaching the main menu.

This dump file is typically intended for use with a (like the RT809F, RT809H, or CH341A) rather than a simple USB stick update.

Confirm the to ensure the display matches this dump.

Always backup your current corrupted firmware first just in case.

Use WinRAR or 7-Zip to extract the .bin file from the .rar archive.

Flashing firmware carries risks. Ensure the board number matches your hardware exactly. Using firmware for a different board revision can result in a "hard brick" where the TV will no longer power on at all. If you'd like to proceed with the recovery:

Colors are distorted, or the image is upside down (often caused by incorrect panel settings in the software).

If the system is locked or critical settings were changed accidentally. 💾 Installation Guide