These are the instructions to root LG Optimus L70 MS323 smartphone (running on android 4.4) using the KingRoot Application on the mobile itself (no need of computer).
Requirements: Your smartphone should have at least 20 percent of device battery or more to begin the root process.
Step 1: On your Android Device, Open Settings > Security > Device Administration > Unknown Source (tick to enable it).
Step 2: Download and install KingRoot APK on your Android Device.
Step 3: Once Installation is completed, you will be able to see the following icon in the Launcher Menu:
Step 4: Tap on the KingRoot Icon to Open it. Once KingRoot Application is launched you will be able to see the following screen:
Step 5: Now, Tap on the Start Root Button to begin the root process.
Step 6: Within a minute or two you will be able to see the Big Green Tick, which signifies that your device is rooted successfully.
Step 7: Restart your Android Device.
Step 8: Now, as your LG Optimus L70 MS323 smartphone is Rooted Successfully you might want to verify that your device is rooted or not. For that, Download and install Root Checker Application from the Play Store and verify the root status manually.
[*] Powerful Tool: KingRoot is a very powerful tool, that allows you to root Android Devices from 2.3 to 4.4 without any issues.
[*] No data loss process: Your Android Phone Data like contacts, pictures, videos, music and etc will be not affected with this method.
[*] Warranty Void: Your Android Device Warranty may be Void after following the above tutorial.
[*] LG Stock Firmware: If you are looking for the original firmware for your device then head over to Download LG Stock Firmware for all devices page.
[*] LG USB Driver: If you are looking for the original USB Driver for your device then head over to Download LG USB Driver for all devices page.
[*] Credits: KingRoot Application is created by Kingroot Studio. So Full Credits goes to them for the Application.