For those who still rocking AT&T’s Samsung Galaxy S4 SGH-I337 will receive the official Android 4.4.4 update. The OTA update with build number to KTU84P.I337UCUFNJ4 that has a size of 392MB – 488MB is now live and available via Over-the-Air OTA update. The I337UCUFNJ4 will bump the software version to Android 4.4.4 from the previous update I337UCUFNI1 4.4.2. Along with this update are several new apps included such as Keeper, Mail, Live, Uber, Remote Support and Device Help. It also brings bug fixes for the E911 Call issue, with more added system improvements and security update.
Here are the technical details of I337UCUFNJ4 4.4.4 OTA update:
Android version: 4.4.4
Baseband version: I337UCUFNJ4
Kernel version: 3.4.0-2960651 dpi@SWDD5803 #1 Fri Oct 17 11:42:06 KST 2014
Build number: KTU84P.I337UCUFNJ4
The I337UCUFNJ4 update includes an updated KNOX 2.0 as mentioned on the given changelog “security update”. Again, it is being held available via Over The Air (OTA) again and cannot be seen on Kies. To get the 4.4.4 update, just tap on you phone’s Settings>>About device>>Software update, then check for updates. Also ensure that your Galaxy S4 has no root or not have been modified so you’ll get the update without any hiccups or you’ll only get an error messages saying that your device can’t take an update for it has been modified.
Source: AT&T support