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The standby light should begin blinking rapidly, indicating the update is in progress.

Installing the wrong firmware or a file with a different resolution (e.g., 1366x768 vs. 1920x1080) can result in a "blank screen" or distorted image. Always verify your panel's resolution before flashing.

Format a USB drive (8GB or 16GB) to FAT32 . Copy the extracted firmware file directly to the root of the drive (do not put it in a folder). Flash the Board: Turn off the TV power. Insert the USB drive into the TV's USB port.

Download all RAR parts into one folder. Right-click "Part 01" and select "Extract Here" to get the single firmware file (usually named CtvUpgrade.bin or similar).

Press and hold the button on the TV keypad (not the remote) and turn on the main power switch.

Recovery from boot loops, fixing software hangs, or upgrading the TV's interface.