By following these steps and tips, you can successfully update your MXQ Pro 4K to firmware 7.1.2 using an SD card. Enjoy the improved performance, new features, and enhanced stability of the latest firmware.

Once you see the upgrading logo or progress bar on the screen, release the reset button.

If you see a error or the box ignores the SD card, try a different SD card (Sandisk or Samsung work best) or reformat the card to FAT32 before using Burn Card Maker.

While holding the reset button down, plug in the power adapter.

If SD card method fails:

Ensure the power supply is 5V/2A; low power can cause flash failures. If you can tell me the exact model number on the bottom of your box or the processor name