We have shared a number of stable custom ROMs based on Android 5.1.1 Lollipop forSamsung Galaxy S4 SGH-M919. Todaybrings a new custom firmware to join that list - OwnROM Android 5.1.1. This Galaxy S4 custom ROM is pre-rooted and has Theme Engine, among several other features and highlights (shared below).Follow this guideto update T-Mobile Galaxy S4 M919 to OwnROM.

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OwnROM Android 5.1.1 Galaxy S4 custom ROM features:

In-Built SuperSuOwnSettings>In-Built ChangelogNetwork Traffic MonitorToast AnimationsQS CustomizationClock customizationTheme EnginePrivacy GuardPulse Notification LightLockscreen Corner ShortcutsAmbient DisplayDensity ChangerImmersive Mode (per App)Battery LightQuick and Smart StatusbarBlack ListLive Memory StepsSlims Lockscreen ShortcutsSlimPIECAF Task ManagerApp Circle BarWakeLockBlockerSlimRecentsOtaUpdatesForce Expanded Notifications optionOption to show 4 tiles per row (QS)Long press lock screen icon to sleepDouble tap anywhere on lockscreen to sleepRecents Memory barBlock QuickSettings on lockscreen

Note:This firmware is still in beta so you might come across some bugs in your way of using it. Refer to the firmware's XDA thread for more details and to keepyourself up to date with thelatest builds.

Prerequisites to flashT-Mobile Galaxy S4 custom ROM:

Backup any important datafrom your Samsung Galaxy S4 M919as a complete wipe will be required during the flashing process.Enable USB debugging option on your device:Settings>DevelopmentOptions>USB debugging.Samsung Galaxy S4 M919must berooted, unlocked and installed with a recovery tool likeTWRPorCWM.Your device must be charged to at least 60% of power.

Note:this tutorial is focused on Samsung Galaxy S4 M919; kindly do not try this guide on otherAndroid&Samsungdevices.

How to update T-Mobile Galaxy S4 to OwnROM Android 5.1.1 Lollipop:

Required files: download OwnROM Android 5.1.1 Lollipop custom firmware for Galaxy S4 fromhereand save it on your computer. Do not extract the contents. Also downloadGoogle Apps Package.

Here are the steps to flash Galaxy S4 custom ROM basedon Android 5.1.1 Lollipop.

Connect yourGalaxyS4to your computer using a USB cable and copy the zip file to your phone’s SD card.Disconnect the USB cord andpower off your Galaxy S4.Boot it intorecovery mode: switch the phone on while pressing and holdingVolume Up+Home+Powerbuttonssimultaneously.Perform aNandroid backupof your current OS:Backup > Backupand restoreon ClockworkMod recovery.Wipe data task: from CWM recovery menu, selectwipe data / factory resetand confirm the process.From recovery menu, selectinstall zip from sdcardfollowed bychoose zip from sdcard.Locate the OwnROMAndroid 5.1.1Lollipopcustom firmwareand confirm the flashing process.Return back to main recovery menu and reboot your T-Mobile GalaxyS4 M919into the new custom ROM. First boot takes a good 5 minutes so please be patient.Ta da!

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