Locate the physical recovery button. On most MXQ Pro 4K boxes, this hidden button is located at the very back of the (the audio/video jack hole).

Disclaimer: Flashing firmware carries inherent risk. This guide is for informational purposes only. Always ensure you have a stable power source during flashing to avoid permanent damage.

Ensure your downloaded Android 7.1.2 package specifically names your matching chipset. Prerequisites & Downloads

After downloading the correct firmware package, you'll need to write it to your microSD card. Here’s the general process using the appropriate tool:

Ensure you feel the mechanical "click" inside the AV port. Ensure the card is strictly formatted to FAT32.

The software will format the card, write the firmware, and verify the writing.

This is the most critical step. Here is how to find the legitimate firmware for an SD card flash.

: Open your TV box (usually four screws on the bottom) to check the board version (e.g., R329Q V3.1). Firmwares are highly specific to the motherboard version.

Once the progress bar fills up, the device will reboot itself. Do not unplug the power cord during this process, even if the screen appears frozen on the boot logo.