As T-Mobile already pushed the Android 4.4.2 KitKat update for the Galaxy Note 3 (SM-N900T) earlier last week, this time they have also started rolling out the KitKat update for the Galaxy S4 (M919). The new KitKat software update is being dubbed with firmware build number M919UVUFNB4, and now held available via over-the-air (OTA) with a file size of 387.59MB. Some changes of the KitKat update can be found are the new white status bar, a camera shortcut in the lock screen. While other stuff are targets the UI, system stability and other enhancements.
The 4.4.2 (KitKat) M919UVUFNB4 update will replaced the old Android 4.3 with baseband build version M919UVUEMK2 which was released on December.
Here are the firmware build info:
Device Name: Samsung Galaxy S 4
Model number: SGH-M919
Android version: 4.4.2 (KitKat)
Baseband version: M919UVUFNB4
Kernel Version: 3.4.0-540242
Build Number: KOT49H.M919UVUFNB4
Build Date: 14, February 2014
Release Date: 10, March 2014
Those who did not received any notification yet, you just simply head-over to your device Settings>>About Device>> Check for update.