: You must open the physical casing and identify the specific board version (e.g., R329Q V3.1 or Q44_V4.0 ) before downloading any firmware. Firmware is specific to the motherboard, not just the "MXQ Pro" name.
There is no official "Android 11" for the S905W chipset; most "Android 11.1" builds are custom ROMs that look like Android 11 but are based on Android 9 or 10 kernels. However, they provide superior stability and UI improvements.
Legitimate firmware for these boxes is because it often includes licensed codecs (Dolby, DTS) or vendor modifications. However, some sources provide stock ROMs for personal use:
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