AT&T has officially kick-started the Android 4.4.4 KitKat update rollout for its Galaxy S4 (SGH-I337) in the US via FOTA (Firmware Over The Air), fixing the Enhanced 911 Call issue, adding KNOX 2.0 and squashing a few minor bugs here and there. In addition to this, this update also adds some new AT&T apps including Uber, Mail, Live, Keeper, Remote Support and Device Help. Full technical details of this firmware are given below.

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