Samsung Galaxy Mega 2 under AT&T is now live getting the official Android 5.1.1 Lollipop firmware over-the-air (FOTA) update. First rolled out last September 2, the update releases to units with model number SM-G750A.

AT&T finally rolled out the Android 5.1.1 Lollipop to its units of Samsung Galaxy Mega 2 skipping the Android 5.0, 5.0.2, and 5.1, bringing with it a few tweaks and improvements. The software update needs a good Wi-Fi connection and has to be charged up to at least 50 percent to prevent interruption.

Android 5.1.1 Lollipop software version will bring in improved OS software design, improved settings, enhanced notifications, screen pinning, new recent apps, share your device, better visibility for Recents and Calendar, and device security improvements.

There is no expected impression to settings and data, users are advised to back up media files to an SD card, PC or any storage app before proceeding to the installation. Samsung Kies can be used in backing up files and restoring them later.

If Google has not released the latest Android Lollipop version yet, here's a guide for manual download of Android 5.1.1 Lollipop.

1.     Go to Settings from app tray or pull down menu.

2.     Select More.

3.     Select About Device.

4.     Select Software Update.

5.     Follow onscreen instructions.

To verify the update, just head over to Settings > About Device. After the update, the baseband version should now be G750AUCU3BOH4 and build number should now be LMY47X. The update only needs 982 MB.

AT&T's Samsung Galaxy Mega 2 was last updated on July 2 with Android 4.4.4 KitKat. It is the first mobile carrier in the United States to roll out the update to Galaxy Mega 2.

 AT&T already rolled out the Android 5.11 Lollipop to Galaxy Tab 4 10.1 with model number SM-T537A. The update removes pre-loaded apps like WatchON, Beats Music, and Famigo.