Many Essgoo units are picky about USB brands.

If you have obtained the correct firmware file (usually named update.img or contained in a ZIP file):

For an "ESSGOO firmware fixed" situation, the goal is typically to rescue a bricked device, update the Android system, or resolve persistent bugs like CarPlay disconnects . Firmware flashing is considered a and should only be attempted after a factory reset fails. The "Golden Rule" of ESSGOO Updates