Avoid random “firmware download” sites full of malware. Recommended sources:
Flashing the MXQ Pro 4K 5G Android 111 Top firmware can resolve: firmware para tv box mxq pro 4k 5g android 111 top
(often labeled with Android 11.1, though many are "fakes" running older versions) requires verifying your device's specific hardware board first. Installing the wrong version can permanently "brick" (break) your device. 1. Identify Your Hardware Board Avoid random “firmware download” sites full of malware