The Galaxy S5 Active received Android 5.0 Lollipop a few months back and while it has been quite some time since the latest version of Lollipop came out, the handset is getting this particular update just now. AT&T has released Android 5.1.1 for the Galaxy S5 Active, a handset that no other carrier in the country sells. Active variants are exclusive to AT&T in the United States.
Build number LMY47X.G870AUCU2COJ3 has been released by AT&T for the Galaxy S5 Active, weighing in at 640MB, it's imperative that you download it over Wi-Fi so that it doesn't eviscerate your cellular data allotment. Android 5.1.1 is an incremental update so there's not much in the way of new features, the handset gets several security updates, fix for Ultra Power Saving mode for devices using On Device Encryption as well as Android for Work with the Android 5.1.1 Lollipop update.
