Before you download anything, you need to identify the exact hardware your MXQ Pro 4K uses. There isn't a universal firmware that works for all models. Using the wrong one can lead to problems like a non-functional Wi-Fi or a bricked device.
Open BootcardMaker, select your SD card drive letter, and check the box to format it.
Guide to MXQ Pro 4K Firmware 7.1.2 Download and SD Card Installation
Once you've identified your hardware and gathered your tools, download the appropriate firmware file. Here's where to find reliable sources:
An SD card firmware update for an S905X chip will not work on an S905W chip.
To perform an SD card flash, gather the following hardware and tools: How to Update Firmware by Formatting and Flashing SD Cards
Once the card is ready, follow these steps to update your box:
: The system will automatically begin wiping the old system data and installing Android 7.1.2. Do not unplug the power during this process. 5. Troubleshooting Common Installation Issues
Open your operating system's file manager, right-click the SD drive, and select .
The installation script will automatically wipe your old system data, format the cache, and install Android 7.1.2.
The standard tool for Amlogic devices is (requires Windows + male-to-male USB cable). However, many users lack proper drivers, face connection timeouts, or have physically damaged USB ports. The SD card method uses Burn Card Maker or Rufus to write a bootable firmware image (usually a .img file) to a microSD card. When the box is powered on with the SD card inserted and the reset button (hidden in AV port) held, the bootloader prioritizes the SD card, bypassing corrupted internal storage.
Flashing the firmware onto an MXQ Pro 4K TV Box using an SD card is one of the most reliable ways to rescue a bricked device, remove bloatware, or eliminate persistent boot loops. While many users rely on a USB burning tool, using an SD card provides a standalone method that bypasses driver installation failures on Windows PCs.