How to Root Galaxy S4 (AT&T) SGH-I337 on Android 4.3 Jelly Bean Without Tripping the KNOX Warranty Void Counter

Samsung Galaxy S4 (AT&T) SGH-I337 users who have already updated their devices with Android 4.3 Jelly Bean, may root their devices using the tutorial below.

This tutorial uses the Root Exploit package released by Senior XDA-Developers, k1mu. The Root Exploit package allows Galaxy S4 users to root their devices easily without tripping the KNOX warranty void counter.

How to Root Galaxy S4 (AT&T) SGH-I337 on Android 4.2.2 UCUAMF3 Jelly Bean Firmware

An official Android 4.2.2 Jelly Bean Over-The-Air (OTA) update with build number I337UCUAMF3 has been released for the AT&T subscribers of the Samsung Galaxy S4 (SGH-I337).

Galaxy S4 (AT&T) SGH-I337 users who have already updated their devices with Android 4.2.2 UCUAMF3 Jelly Bean, may root their devices using the tutorial below.

This tutorial uses the Root Exploit package created by Recognized XDA-Developers, DooMLoRD, which later adapted by Jortex to make it work on Galaxy S4 (AT&T) SGH-I337. The Root Exploit package allowing Galaxy S4 users to root their devices easily without having to wipe the device or flash a full prerooted factory image. It's completely supports Android 4.2.2 Jelly Bean with firmware build number I337UCUAMF3.