Sprint has released another Android 4.3 JB update for Samsung Galaxy S4 SPH-L720. This update is said to fix the sleep mode and other issues found in Sprint's earlierL720VPUEMJA update. To update Sprint Galaxy S4 to L720VPUEMK2 Android 4.3 JB OTA, go toSettings>About Device>Check for Software Update.

Here is how you can manually update Sprint Galaxy S4 toL720VPUEMK2 Android 4.3 JB official update.

Device name:Samsung Galaxy S4

Model number: SPH-L720

Baseband/MODEM: L720VPUEMK2

CSC: L720SPTEMK2

Build number: JSS15J.L720VPUEMK2

Prerequisites to update Sprint Galaxy S4 to VPUEMK2 Android 4.3 JB:

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 your Samsung Galaxy S4 L720carries more than 70% of charge.

How toupdate Sprint Galaxy S4 to VPUEMK2 Android 4.3 JBofficialfirmware:

Required files: download the L720VPUEMK2 Android 4.3 Jelly Beanfirmware file fromhere.Also download theOdin3 v3.04 for installation fromhere.

Install Odin on your computer.Switch your Samsung Galaxy S4 L720 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 your Odin, click onPDAand select the.tar.md5file with *code* appearing in its name (required). Click onPhoneto select a file with *modem* in its name, onCSCbutton select a file with *csc* in its name and finally click onPITto select the .pit file - all these latter three are optional files so do not worry if you haven't got any such files.In Odin make sure that theAuto RebootandF. Reset Timecheck boxes are the only options checked and nothing else is. Start the flashing process.When official update installation is successfully completed,on OdinID:COMwill turn green and Odin will show you aPASSmessage.Samsung Galaxy S4 L720will 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.