How to root Samsung Galaxy S4 on Android 4.4.2 KitKat (SPH-L720, Sprint) [Guide]

galaxy s4The Sprint Galaxy S4 has just been updated to Android 4.4.2 KitKat via the L720TVPUBNAF firmware update. If you happen to own one of these, and are now looking to root your device after updating it to official Kit Kat, here’s a step by step guide which will walk you through the process.

Disclaimer: This guide is intended as a helpful how to. dotTech and its writers are not responsible for any gain or loss (including but not limited to bricked devices) incurred as a result of following this guide. Root your device at your own risk. Rooting may void your warranty.

REQUIREMENTS

This guide is intended for the T-Mobile branded version of the Samsung Galaxy S4, model number SPH-L720, running the official Android 4.4.2 KitKat firmware L720TVPUBNAF from Sprint. Please do not try it with other carrier branded or unlocked variants of the Galaxy Note 3.  You can check your device model number by going to Settings > About Device on your phone, or by checking the labels on the packaging box.

BEFORE WE BEGIN

A few things to download and be ready with before you go ahead and root your device:

  • Samsung USB Drivers – Download and install on your computer
  • CF Auto Root Package  – Download and extract to your desktop
  • Back up all your important data and media on the phone before you proceed

HOW TO ROOT SAMSUNG GALAXY S4 (Sprint)

  • First Download and install the Samsung USB drivers on your PC
  • Download and extract the CF-Auto-Root package for your device model to your desktop.
  • Switch off your phone and reboot to Download Mode. To do this, press and hold down Volume Down + Home + Power buttons simultaneously. When you see a warning screen, release all the buttons. Then Press Volume Up to enter Download mode
  • Open the Odin folder on your desktop and launch Odin as administrator
  • Connect the phone to the PC via USB cable. You should now see the message Added! in Odin
    Device Added Odin
  • Click the PDA button in Odin and load the CF-Auto-Root-jfltespr-jfltespr-sphl720.tar.md5 file from the folder you extracted earlier on your desktop
  • Leave everything else in Odin as it is. Auto reboot and Reset Time boxes should be checked. Re-Partition boxshould be left unchecked. Check below screenshot
    ODIN Setup
  • Click the Start button in Odin to start flashing the root package
  • Once the flashing is done, your device will reboot automatically and you will see a PASS message with green background at the top left in the Odin window. It is now safe to disconnect your phone
  • Once the phone has rebooted fully, you should see the SuperSU app in the app drawer.
  • Launch the SuperSU app and update the binaries of prompted. Also, when you see the Disable Knox prompt, click OK

That’s it!! Your Sprint Galaxy S4 running official Android 4.4.2 Kit Kat is now fully rooted and you can now install and run any of the several root apps that are available for rooted devices. Cheers!!

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8 comments

  1. Edward Hellwig

    I rooted my samsung galaxy gs4 sprint a few months ago. It was also suggested that I d/l ‘towelroot’. I’m now getting warnings to delete ‘towelroot’ as it has access to my fon system. What does towel root do? Does it pose a security problem to my fon? Can I safely delete it or do I have to keep it on a rooted fon?
    Thanks in advance for your help.
    Sincerely,
    Ed Hellwig
    224-805-2430
    Efhlith@gmail.com

  2. Ryan

    That’s my concern, too: “T-mobile branded phone with Android firmware from Sprint” is confusing me. Is my Sprint SGS4 the phone to use or if a T-mobile SGS4 is the one to be using?

  3. Alien_Twist

    T-Mobile? What? You state:

    “REQUIREMENTS

    This guide is intended for the T-Mobile branded version of the Samsung Galaxy S4, model number SPH-L720, running the official Android 4.4.2 KitKat firmware L720TVPUBNAF from Sprint.”

    How is this FOR T-Mobile FROM Sprint? This is for Sprint specifically, correct?