How to Root LG G4 Sprint LS991

How to Root LG G4 Sprint LS991 – LG G4 has a screen measuring 5.5 inch with a resolution of up to Quad HD 2560 x 1440 pixels and a pixel density of 538 ppi, is quite large for a smartphone in its class. With great resolution you can enjoy up to 3.5 million pixels stretched across the screen. Great resolution allows you can see everything sharper and detail. LG G4 using IPS-Quantum technology that can produce color accuracy and better contrast level. Improved screen brightness level of up to 25% so you can more easily see photos and videos whether inside or outdoors.

Unsparing, LG G4 immerse the features you would normally find on a professional DSLR camera. As a result, you can more freely work with the images and high resolution video, sharp, and very detailed. 16 Megapixel primary camera using a sensor 1 / 2.6 “which can capture more detail and more pixels that you can enjoy. While the level of Aperture f / 1.8 is very unreliable to capture images with perfect despite any lighting conditions. Meanwhile, the ability of Laser Auto Focus and Optical Image Stabilization participate sharply increased in order to produce blur-free photo. To record video, LG G4 can record video with a resolution of UHD.

After a long wait, finally we can root LG G4. In this post Smartphone Clinic will provide a tutorial about how to Root LG G4 Sprint LS991. Make sure that your LG G4 running on Android Lollipop. In this tutorial we use Widows computer and using an application called Low Effort Root that was developed by XDA. Root your device at your own risk.


  • Make sure your phone battery is charged to 70% or more
  • Make sure you install the LG USB Driver on your PC, if you haven’t already.
  • Backup your device data
  • Enable USB Debugging, by open Settings > Developers Option > USB Debugging
    If Developers Option is hidden, go to Settings->About Phone->Software Info > build number (tap on it for 5-8 times)
  • Download and Unzip LG Root file on your windows computer
  • Download LG G4 Sprint tar.gz

How to Root LG G4 Sprint LS991 without Bootloader Unlock:

  • Extract the tar.gz file you downloaded for your phone, and move the resulting “system.rooted.phonemodel.img” file to the root of your phone’s internal SD card with MTP mode.
  • Boot the device into Download Mode. Power off your device, When the device is powered off, hold volume up and insert a USB cable connected to the PC. (this method may vary from device to device)
  • Wait for the drivers to install
  • After it finishes, double click ports.bat on LG_Root folder (This will give us the COM port in which our device is connected we are looking for the Diag port)

root new lg device 3

  • Open LG_Root folder and hold shift and right click on UPDATE SUPERSU and select “Open command window here

root new lg device 1

  • Keep the device in Download mode, and copy+paste following command But replace COM4 with the COM number you found in COM port:
    • Send_Command.exe \\.\COM4
  • Type “id” and press enter (no quotes).
  • Next, run this command:
    • dd if=/data/media/0/system.rooted.LS991ZV5.img bs=8192 seek=65536 count=557312 of=/dev/block/mmcblk0
  • Wait a few minutes and you should get back a “#” prompt. This indicates the process has finished.
  • Type “LEAVE” (no quotes) and press enter. Your phone should reboot, and your phone will be rooted.

For more details, please watch following video:

Congratulation! Now your LG G4 Sprint LS991 was rooted. You can verify that your LG G4 Sprint LS991 is successfully rooted or not by downloading Root Checker App on Play Store. Hopefully the article of How to Root LG G4 Sprint LS991 useful for you.

Source: XDA

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