Its time for Android 5.0 Lollipop for many variants of Galaxy S5 but AT&T is providing Android 4.4.4 Kitkat update to the users. OTA update is rolling out to the AT&T Samsung Galaxy S5 with all features packed in Android 4.4.4.
Technically, the update weighs around 500 MB and here’s the changelog:
It will fix your root permission so if you have rooted your device then you need to re root it again after installing the new firmware.