Is your device or still tied to a specific provider?
While third-party ROMs exist, official global ROMs are generally and provide better integration with standard services. Be aware that flashing unauthorized firmware can "brick" your device or void your warranty. How do I know if my router needs an update or patch zte mf971rs firmware best
Click in the "Check New Version" section to see if an official upgrade is available. Is your device or still tied to a specific provider