How to Root Your LG Optimus L70 or L90

If you own a LG L70 or LG90, chances are you’re thinking of rooting it in order to expand its storage space or exploit its full potential. Both devices come with in-built features native to LG phones but not all of them are useful. You need to gain superuser privileges in order to customize your LG phone.  Rooting your phone then naturally becomes the best way to enter the android ecosystem and gain full control over your device.

In this article, we’ll look at the tools required and how to root  lg optimus device.

Just a heads up, if you didn’t know already, rooting your device will likely void any warranty you have on it. 

Tools Needed for Rooting LG L70/L90

Rooting is an activity which requires a set of tools to  execute. To root your LG L 70 o LG L 90 device, make sure that you assemble all tools. Below are handy tools that you ought to have in hand before you can root your LG 70 or LG 90:

  • MiniTool Partition Wizard
  • Ext2Fsd tool
  • zip
  • rar
  • LG USB drivers

Related: How to Root Samsung Galaxy S5 and S6

Steps to Root LG L70/L90/G2 Mini

Once you get the above tools, you can proceed with rooting your LG 70 or LG 90 phone as follows:

Step 1

Start by formatting the external MicroSD card into ext2. You need to do this so as to minimize the chance of corrupting your card. When you format the SD card, it will convert to fat or ntfs which makes it undetectable during recovery. Alternatively, you can use ext4 to accomplish the same thing. Both options are viable. So if one fails, try the other.

Next, partition your SD card using the MiniTool Partition then install it and run it. Connect your device with your PC via USB cable and then turn on storage mode. You will be able to see that you SD card has ext2 partition. Right click the card then uncheck mount volume” in the menu that appears then click mount via Ext2Mgr. Click apply the use Ext2Fsd tool to mount the ext2 partition onto windows 7.

Step 2

Download that contains super user binaries for enabling root access. Copy to the external SD card then unplug it.

Step 3

Next, install all the required LG drivers on your LG L 70 or 90 device if you haven’t installed them

Step 4

Install ADB on the PC that you will use to root your LG L70 or L90 device. Although ADB comes with Android SDK, it may be heavy so you will need to download the ADB.rar.

Step 5

Enable USB debugging mode. Simply go to settings then scroll down and click “General” followed by developer options.  Don’t worry if you can’t see the option. Go straight to settings then click General then about phone followed by Common and finally Software info. Click the Build Number repeatedly about 5 times until the developer option is enabled.

Step 6

Connect your LG L 70 or L90 to your PC via the USB cable then enable USB debugging mode.

Step 7

Go to the ADB folder then press shift as you right click the folder simultaneously. Next, choose the “open command window here” from the options available.

Step 8

From the command window that opens, enter the following command; ‘adb devices” to show connected devices. If the device is connected successfully, the command box will show “list of devices attached.

Step 9

Type “adb shell” and in the following line “reboot recovery” then press enter to reboot your phone into stock recovery.

Step 10

Disconnect your device from your PC then insert the Micro SD card

Step 11

Power your device then use volume up/down to scroll and select “apply update from sd card” then click on Update will show as complete.

Step 12

Select “reboot system now”  from your screen and once it’s done, your LG L 70 or LG L 90 will be rooted! You will see a new superuser.

Rooting is not a really simple procedure.  A lot of people struggle because they don’t follow the right procedures or they jump steps. Before you root your device, make sure that you assemble the tools listed above and go through the steps. Once you device is rooted, you can install just about any kind of Android app including ones that were either geo-locked or restricted on Play Store.

Related: 10 Steps to Root Verizon Note 4

Why Root LG L70 or 90?

While LGE L70 is an awesome phone with great features, it doesn’t offer a large internal storage space. The phone comes with just 8GB storage space and offers no way to upgrade the capacity of internal storage. That means users have to install a microSD.  Having said that, most people found it easier to delete pre-installed bloatware apps to create more hard drive space.

Rooting your LG70 or 90 allows you to leverage the full potential and power of your smartphone. When you root your LG70 or 90, you will be able to:

  • Access more apps: rooting gives you the opportunity to install 3rd party apps that your carrier doesn’t come with your phone. You can install hundreds of apps that were deemed incompatible.
  • Install custom roms: once you root your phone, you get a chance to install the latest version or your favorite Android.
  • Access Block features: you will be able to enjoy the latest Android features such as PhotoSphere and others before they’re rolled out.
  • Extend Batter life: rooting your LG 70 or LG 90 allows you to install battery-saving apps that extends the battery life by upto 4 hours!
  • Improved Performance: removing bloatware frees up RAM and CPU usage allowing you to streamline performance and speedup your smartphone.

Some Videos that May Help


Rooting your LG Optimus L70 or L90 is a great way of unlocking and exploiting the full potential of your device. Before you root your device, you should ensure you have all LG USB drivers,, ADB.rar. and a partition wizard tool.   When you have all these tools and muster the above steps, you can root your LG L70 or L90 quickly, install your favorite Android as well as all the cool apps which were initially incompatible with your device.

Now that you know how to root lg optimus l90, you can do so confidently at anytime!

Note: Rooting your LG L70 or L90 may void the warranty of your device.


  1. By Chaitanya


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