H3q44 V3.0 Firmware !exclusive! Link

Typically based on Android 7.1, though UI skins may mimic newer versions.

This occurs if the firmware's built-in drivers don't match your specific internal components. In such cases, some users recommend trying older versions like V2.0 to see if they contain better-matched drivers for your specific board. h3q44 v3.0 firmware

Use a toothpick or paperclip to press and hold the reset button located inside the AV port . Typically based on Android 7