The backlight is on, but no image or UI appears. 📥 How to Extract and Use

Press and hold the on the TV (not the remote) while plugging it back into the outlet.

Release the button when the "Upgrading" progress bar appears. To help you find the correct software, could you tell me: The of your TV?

Ensure you have Part 01, Part 02, and any subsequent parts in the same folder.

Are you using a or a Hardware Programmer (RT809H, etc.)?

Installing firmware for the wrong panel (e.g., trying to use 4K firmware on a Full HD panel) can permanently "brick" the board or cause a distorted, upside-down image.