AT&T Samsung Galaxy S4 users can now also enjoy the KitKat on their beautiful smartphones. Although Samsung is ready to release the update over-the-air, we hear AT&T is not yet. So while we wait, here is how to update Galaxy S4 i337 to Android 4.4.2 leaked UCUFMLD KitKat firmware. This leaked firmware update is "official" but not yet released officially.

- Don't forget to check our extensive list of security apps for your Android smartphone!

Pre-reqsto update Galaxy S4 i337 to Android 4.4.2 UCUFMLD leaked:

Create a backup of all important data in yourGalaxy device.Download and install USB drivers forSamsungGalaxy S4 in your computer.Enable USB debugging option by pressingMenu>Settings>Applications. Navigate and tap onDeveloper Optionsto ensure thatUSB Debuggingis enabled.Ensure that your AT&T Samsung Galaxy S4 carries more than 80% of charge.

-Popular Android 4.4 KitKat based custom ROMs.

How to update Galaxy S4 I337 to Android 4.4.2 UCUFMLD:

Files required:download the leaked UCUFMLDAndroid 4.4.2 KitKat firmware fromthis link. Alsodownload theOdin3v3.09 for installation fromhere. Unzip Odin; and unzip the leaked firmware file inside the same folder as Odin.

Install Odin on your PC and launch it.Switch yourSamsung GalaxyS4 off and boot it inDownloadmode: press and holdVolume Down,PowerandHomebuttons together.Connect your SGS4 via a USB cable; when connected successfully, you will get a message in Odin sayingAdded!!.(In case you don’t get it, try another USB port. If that doesn't help either, then re-install USB drivers).OpenPAon Odin. It will open a new window.From that window, locate the leaked Android 4.4.2 UCUFMLDfile and click on Startbutton to initiate the flashing process.When update installation is successfully completed,on OdinID:COMwill turn green and Odin will show you aPASSmessage.AT&T Samsung Galaxy S4 will then restart and you can then disconnect yourdevicefrom computer.

HappyKitKating!