How to root LG Optimus L9 Android 4.1 Jelly Bean

This guide will show you how to unlock bootloader, install CWM recovery and root LG Optimus L9.

All things you will need:

How to root LG Optimus L9 Android 4.1 Jelly Bean

  1. After installing the JB update, make sure you have a SIM in your phone and let it stay on for at least 30 continuous minutes. This is important!. If you skip this step, you may end up with a permanently locked device.
  2. Enable USB debugging in the developer options, and plug your device to PC
  3. Download the “UnlockL9” zip file and extract to C:\ of your PC
  4. Run Flash_bootloader.bat (this will unlock bootloader, and reboots your phone into fastboot mode)
  5. Run Execute Flash_recovery.bat (this will install Clockworkmod recovery)
  6. Reboot into recovery by Hold vol up + home button and power button and release power button at vibration
  7. Flash
  8. reboot en enjoy

I have tried this on my LG Optimus L9 P760, it works like charm. However, use this at your own risk, I have no responsibility for any damage of your phone. Good luck.

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18 thoughts on “How to root LG Optimus L9 Android 4.1 Jelly Bean”

  1. I finally rooted my L9 🙂
    I am using p765 v20a India, so Atish910 u can use this method too. I followed below mentioned steps.

    1) I choose each of the 5 options that are present for usb connection and let system install all the drivers, after that I did not get “when i run Flash_recovery.bat….waiting for device…”, could not use the same system which I used last time as drivers were not getting installed on it.

    2) Followed steps 1 to 5 mentioned in the post, after which phone got restarted itself(“Hold vol up + home button and power button” did not work for me :))

    3)After few tries when nothing happened I tried “Reboot2Recovery”, and that boot the phone in recovery mode. This is what I was trying since last night.

    4) After that I just googled for “apply supersu from clockworkmod recovery” and flush SuperSu. Thats what I did to Root my L9.

    Best of luck everyone. Dont forget to install all the drivers. 🙂

  2. is this method unlocking the bootloader?because it voids the warranty or should I use the lelus to be safe?

  3. About the “waiting for device” problem:
    Go to device manager
    Find “Android” in unknown devices
    Choose Update driver and browse all of C:
    It will find the driver and everything will be OK 😉 Good luck

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