Often a driver issue or a poor-quality USB cable. Conclusion
" printed directly on the green or blue PCB board inside the box. Why Do You Need a Firmware Update? You should look for firmware specific to the if you are experiencing: Boot Loop: The box stuck on the "Android" or "MXQ" logo. Black Screen: The box turns on, but no picture appears. firmware tv box mxq pro 4k 5g placa h3q44v30