Update T-Mobile Samsung Galaxy S4 M919 to Android 5.1.1 – How to

Samsung Galaxy S4 SGH-M919 finally gets some latest Lollipop love from MoKee. This custom ROM is stable and odexed for faster and smoother performance. Packed full of tweaks and customization choices, MoKee Android 5.1.1 custom firmware brings more features to your S4 than the AOSP. Good on battery life, smooth and mess-free OTA updates and more! Here's how to update T-Mobile Galaxy S4 to Android 5.1.1 Lollipop.

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update T-Mobile Galaxy S4 to Android 5.1.1

MoKee Android 5.1.1 features:

Odexed for faster performance (only in official releases, nightlies are deodexed)
Incremental updates
OTA updates – update on the fly!
Native exFAT support (Samsung devices only)
ListView animations
Calendar – with lunar and solar calenders
Bulk SMS recipients
Adjustable SMS font size
SMS sending delay
Smart dialing
Speed dialing
IP dialing
Custom carrier name
Network speed in status bar (upload and download!)
Built in timer in Apollo – determine when to stop playing music
Unique Power Saver functions!
Custom screen off animations
Lockscreen notifications
Multiuser support
Smart Lock

Prerequisites to update T-Mobile Galaxy S4 to Android 5.1.1:

  • Backup any important data from your Samsung Galaxy S4 M919 as a complete wipe will be required during the flashing process.
  • Enable USB debugging option on your device: Settings > Development Options > USB debugging.
  • Samsung Galaxy S4 M919 must be rooted, unlocked and installed with a recovery tool like TWRP or CWM.
  • 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 other Android & Samsung devices.

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

Required files: download the Android 5.1.1 Lollipop custom firmware for Galaxy S4 from here and save it on your computer. Do not extract the contents. Also download Google Apps Package.

Here are the steps to update T-Mobile Galaxy S4 to Android 5.1.1 Lollipop based custom ROM.

  • Connect your Galaxy S4 to your computer using a USB cable and copy the zip file to your phone’s SD card.
  • Disconnect the USB cord and power off your Galaxy S4.
  • Boot it into recovery mode: switch the phone on while pressing and holding Volume Up + Home + Power buttons simultaneously.
  • Perform a Nandroid backup of your current OS: Backup backup and restore on ClockworkMod recovery.
  • Wipe data task: from CWM recovery menu, select wipe data / factory reset and confirm the process.
  • From recovery menu, select install zip from sdcard followed by choose zip from sdcard. Locate the MoKee Android 5.1.1 Lollipop custom firmware and confirm the flashing process.
  • Return back to main recovery menu and reboot your T-Mobile Galaxy S4 M919 into the new custom ROM. First boot takes a good 5 minutes so please be patient.
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