The realme narzo 60 Pro 5G RMX3771 OTA Downgrade Firmware is designed for users needing to revert their device's operating system to a previous version. This firmware is compatible with Android devices, specifically tailored for the realme narzo 60 Pro 5G model. It supports Android versions that the device originally shipped with. The process is technical and may void warranties or affect device performance. Users should ensure compatibility and backup data before proceeding.