Avoid. Use the stock firmware that came with your box, or buy a certified Android TV device (Nvidia Shield, Xiaomi Mi Box, Onn 4K) if you need updates.
The box rebooted. The screen went black for a terrifyingly long ten seconds. Then, the familiar "MXQ" logo burst onto the screen, accompanied by a crisp startup chime. mxq pro 4k firmware 71 2 download sd card top
The SD card method (often called the "Bootable SD Card" method) is preferred when the device cannot be detected by a PC or when you want a simpler, cable-free process. MXQ Pro 4K Upgrade Secrets Xiaomi Mi Box