How to root LG Optimus 4X HD (P880) [Guide]

Rooting is one of those simplest things which opens up a whole new world of extensibility to any Android device. Rooting your LG Optimus 4X HD will help you to break the ‘shackles’ and to taste the juice of your phone to the maximum extent. Just as with anything tasty, rooting also comes with the bitter truth of voiding your warranty. But you needn’t worry; in most cases, there are work-arounds to re-claim your warranty. Rooting your LG Optimus 4X HD will also make it easier to install custom recoveries such as ClockworkMod on your device.

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 will help you to root your LG Optimus 4X HD (P880). Proceed at your own risk.

Before We Begin

Before we begin with the procedures to root your LG Optimus 4X HD (P880), be ready with the following:

  • Download o4xr.zip to your computer. Extract this file to any preferred location (in this guide, we will be assuming that you extracted the zip file to the location “C:\o4xr“; for any other location, be sure to edit the commands in the procedure below).
  • Download IS11LG_SystemBackupTest.signed.apk. Copy this file to your phone.
  • LG USB drivers for Windows, if you are running Windows, or the drivers for Mac or Linux if you are running those. Install the drivers if you haven’t installed them already.

How To Root LG Optimus 4X HD (P880)

Follow the steps below to root your LG Optimus 4X HD (P880):

  • Enable USB debugging (under Settings -> Developer Options) in your phone.
  • Unknown Sources (under Settings -> Security) also needs to be enabled to install the file IS11LG_SystemBackupTest.signed.apk which you had downloaded earlier.
  • Open the file IS11LG_SystemBackupTest.signed.apk from your phone and install the application.
  • You will be able to notice a new app, ‘SystemBackupTest’ on your phone.
  • Open the ‘SystemBackupTest‘ app on your phone.
  • Hold the Power button and select ‘Power off and restart‘.
  • Wait till the device reboots. The phone might seem to be a bit laggy, but you needn’t worry since that is expected for now.
  • Connect your phone to your computer via a USB cable. Make sure that the phone is connected in ‘Charging Only‘ mode and that USB Storage is not mounted.
  • Open a command prompt (First, press Win + R to launch the Run dialog, then enter “cmd” in the dialog box, and press Ctrl+Shift+Enter to enter the command windows with administrator privileges).
  • Type ‘cd C:\o4xr‘ (without quotes) in the command window and press Enter.
  • Now, type ‘root‘ (without quotes) and press Enter.
  • The rooting script should now start and your device will be rebooted automatically.
  • After the script has finished running, disconnect your phone from your computer.
  • Now, go to Settings -> Applications and uninstall the app ‘SystemBackupTest‘ (DO NOT open this app after running the rooting script; otherwise you might need to run the script again).
  • Go to Google Play Store on your phone.
  • Search for ‘SuperSU‘ and update the application.
  • Open SuperSU. Press OK to updated the SuperSU binary.
  • Congrats! You have now successfully rooted you LG Optimus 4X HD (if everything went fine)!
  • Now you may disable USB debugging and Unknown Sources, if you need to.

Conclusion

Enjoy your ‘brand new’ rooted LG Optimus 4X HD (P880). Now you can do things such as install custom recoveries such as ClockworkMod, block ads or deny apps Internet access.

[via XDA]

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8 comments

  1. Godwin
    Author/

    @Benny: I usually don’t mention such things so that I don’t confuse the majority who run Windows and just want to get their device rooted (majority of dotTechies are Windows users). :)

    But really, anyone who is running a Linux machine (I also run it on my machine) would obviously know what to do with it once they see the contents of the zip. ;)

  2. Benny

    Oh, stupid me. Just downloaded the zip and unzipped it, and voila, there are executables that would replace the root.bat that is used for windows. Maybe you want to mention this in the howto, so stupid people like me don’t ask further stupid questions ;)

  3. Benny

    Nice howto. ittle Question: Ist it possible with Linux or Mac? I have no Windows machine, but I am planning on buying an LG P880. If there is no way for me to root it, I’ll have to stick to another phone…