Place the firmware file (usually named bin_v53.bin or similar) into the root directory of the USB. Do not put it in a folder.

: Firmware is specific to the screen resolution (e.g.,

Without more information, here are some general steps that might be helpful:

: Before connecting your LCD panel, verify the jumper setting on the board (3.3V, 5V, or 12V) matches your panel's requirements to avoid permanent hardware damage. Source Verification