Samsung released XXUGNH4 Android 4.4.2 for Samsung Galaxy S4 i9500. Based on the previous Android KitKat, the update brings new drivers and system enhancements. The latest update is deemed essential for system reliability but is currently only available in Russia as an OTA update. Here is how toflash XXUGNH4 Android 4.4.2 on Galaxy S4 i9500 manually.

XXUGNH4 Android 4.4.2 details:

Model: GT-I9500

Model name: GALAXY S4

Country: Russia

Version: Android 4.4.2

Changelist: 2548731

Build date: Tue, 19 Aug 2014 10:06:19 +0000

Product Code: SER

PDA: I9500XXUGNH4

CSC: I9500SERGNH4

MODEM: I9500XXUGNF6

Prerequisites to flash XXUGNH4 Android 4.4.2 on Galaxy S4 i9500:

Downloadand install USB drivers for SGS4 in your computer.Make sure to takebackupof any important files on your smartphone.Enable USB debugging option by pressingMenu>Settings>Applications. Navigateand tap onDeveloper Optionsto ensure thatUSB Debuggingis enabled.Ensure that yourSamsung Galaxy S4 i9500carries more than 70% of charge.

How to flash XXUGNH4 Android 4.4.2 on Galaxy S4 i9500officialfirmware:

Required files: download the XXUGNH4 Android 4.4.2 firmware file fromhere. Extract and you will get atar.md5file.Also download theOdin3 v3.09 for installation fromhere.

Here are the steps to help youflash XXUGNH4 Android 4.4.2 on Galaxy S4 i9500.

Install Odin on your computer.Switch your Samsung Galaxy S4 off and boot it inDownloadmode: press and holdVolume Down, PowerandHomebuttons together.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).In Odin make sure that theAuto RebootandF. Reset Timecheck boxes are the only options checked and nothing else is.On your Odin, select files:Click onAP/PDAand select file withCODEin its name.Click onCP/Phoneand select file withMODEMin its name -ignore if you didn't get any such file.Click onCSCand select file withCSCin its name -ignore if you didn't get any such file.Click onPITand select the.pitfile -ignore if you didn't get any such file.When official update installation is successfully completed,on OdinID:COMwill turn green and Odin will show you aPASSmessage.Samsung Galaxy S4 I9500will restart automatically and you can then disconnect your device from computer.

Note:Incase your device gets stuck at boot screen after installation ofofficial firmware, perform data wiping tasks: turn off S4 and reboot it into recovery mode. In recovery, select thewipe data/factory reset. Go back and reboot your smartphone.