Sprint Galaxy S4 OTA Update L720VPUAMF9

How to Root Sprint Samsung Galaxy S4 L720VPUAMF9 4.2.2 Update with CF-Auto-Root

Here’s how to root Sprint Galaxy S4  4.2.2 OTA Update build L720VPUAMF9. Sprint Samsung Galaxy S4 has receive another another software update to build number version L720VPUAMF9 and still packed on Android 4.2.2 Jelly Bean. Those who already received this VPUAMF9 update and now looking for a working root method, you are lucky enough that’s because the CF-Auto Root will still work to root on this MF9 update.  If you haven’t used it it then before, you should try now. Other rooting method that you might worked before like CWM /SuperSU and the Motochopper exploit will not tend to work this time.

The  only downside using this method is that the flash counter can’t be reset for now by applying triangle away apps. This might be due to the updated L720VPUAMF9  kernel, as long the triangle away apps will get new update, only then may possibly work. But if you hardly needs root, then proceed using this method.

Below is the step by step guide on how to root L720VPUAMF9 Sprint Galaxy S4 SPH-L720 new Android 4.2.2 Jelly Bean OTA update that has been released on July2013.  Just read carefully the rest of this guide for there are risks involved while rooting your Sprint Galaxy S4.  Again,  if you want your Galaxy S4 rooted, then this is for you. However, if you want to keep your device untouched then ignore from rooting.

In addition, using Chaifire’s CF-Auto Root on your Galaxy S4 L720 will keep your device closes to possible stock or original firmware, that means you can still receive any future official OTA updates, that you might worry about.

This root guide is intended to use with Sprint Samsung Galaxy S4 SPH-L720 with Qualcomm Snapdragon only, and this should not be used to root on all other Samsung Galaxy S4 variants. Prior to use this root method on other Samsung Galaxy S4 variants other than with the specific model number SPH-L720 may result to possible bricks. You may first check your device model number and software info by hitting:
Settings -> About device -> Model number and software version. 

Sprint Galaxy S4 OTA Update L720VPUAMF9
L720VPUAMF9: Sprint Galaxy S4 SPH-L720 Android 4.2.2 Jelly Bean OTA Update July

Disclaimer: We and the developer of this root method shall not be held responsible if anything happens to your device. Keep in mind that rooting voids the warranty of your device. You may proceed at your own risk!

How to Root Sprint Samsung Galaxy S4 L720 runs with L720VPUAMF9 Android 4.2.2 Jelly Bean

  • Make sure that your phone is fully charge.
  • Back up all important files stored from the phone’s memory such as contacts, messages, pics, videos and etc.
  • Use Windows based computer or laptop, Odin will not work on MAC and LINUX.

Download Chainfire’s CF-Auto Root for Samsung Galaxy S4 SPH-L720  – CF-AUTO ROOT SPH-l720 (consider a donation to Chainfire for continued development)

Install the latest Samsung Galaxy S4 USB driverhere
Odin Flasher Tool for Galaxy S4 Odin3_v3.07. here

Step 1. Extract the downloaded CF-Auto-Root-jfltespr-jfltespr-sphl720.zip so that you’ll get the CF-Auto-Root-jfltespr-jfltespr-sphl720.tar.md5, the Odin flashable file. You can use Winzip, 7zip or any extracting tool you have in your computer.
Step 2. Run Odin3_v3.07.exe in your computer
– Make sure NOT TO CHECK this option “Re-Partition”. Leave  others checked.

Step 3. Click on the PDA button the browse and select the CF-Auto Root tar file.

PDA button: “CF-Auto-Root-jfltespr-jfltespr-sphl720.zip

CF-Auto Root Sprint Galaxy S4 SPH-L720

Step 4. Set your phone in download mode (Turn off phone, then hold Volume Down+Home+Power button simultaneously) Then it ask you to press a Volume Up button to continue.

Step 5. Connect the phone to your computer via USB cable. You will then see an ID:COM number which is being highlighted in color blue and a word “Added!”  it indicates that your device is recognized with Odin. If you can’t see such indications, make sure to re-install the driver correctly and check your USB cable and your computer’s USB port for possible issues.

Step 6. Hit the “START” button to flash the root file onto your Samsung Galaxy S4 SPH-L720.

Step 7. Wait until it finishes flashing, you can see a word “PASS” once it’s successfully completes.
This process will only takes around 30 seconds to complete or until the phone completely reboots.

Done! remove the phone from computer connection.

Fixing possible errors while installing CF-Auto Root on Galaxy S4

If you followed the odin flashing correctly and it seems it doesn’t successfully  installed. All you need is repeat the whole process, just double-check everything to make the rooting runs smoothly, you can check your USB cable, USB port, re-install the USB driver and closed any programs runs on the system that sometimes causes the error problems.

How to unroot my Samsung Galaxy S4?
Your Samsung Galaxy S4 will automatically lost root once you get a new firmware updates again but if you wish to undo root anytime you want, all you need is flash your Qualcomm based Galaxy S4 original stock firmware.

Does this root method worked on your Samsung Galaxy S4 L720 that runs with Android 4.2.2 Jelly Bean build L720VPUAMF9? Just share to us if this root method has failed to work in your device.