If your "Essgoo firmware fixed" attempt fails, try a different USB port or a different thumb drive. If the unit is completely unresponsive, look for a small "RST" (Reset) pinhole on the front panel. Pressing this with a paperclip for 10 seconds often triggers a hard reboot, allowing you to try the update again.
If the Android firmware flashes but the touch screen remains dead, you likely have an MCU mismatch. Download an older MCU file (e.g., from v3.47 to v3.30), flash it separately through system settings or recovery. essgoo firmware fixed