: Do not turn off the power while the LED is blinking.

Reconnect power. The indicator LED on the board (or the IR sensor) will usually start , indicating the update is in progress.

: If the board doesn't recognize the file, ensure the USB is FAT32 and the file is in the root (not inside a folder).

To update or "flash" the board via USB, follow these steps derived from standard universal board procedures :

: Format a USB flash drive (ideally 8GB or smaller) to FAT32 .

: Check your LCD panel's model number (on the back of the panel) to find its native resolution and voltage (usually 3.3V, 5V, or 12V).

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