gistfile1.sh

#!/bin/bash

# less echos save trees:

ADB="adb"
echo "
 **************************************************
 Easy unroot for LG G2
   --- THIS WILL ONLY WORK IF YOU HAVE A BACKED UP PERSIST.IMG --- 
 **************************************************



 Please ensure you have your persist.img file in this directory.
 If you need to check please Ctrl+C and check, then run this script again.

"
read -rsp $'Press enter to continue...\n'
$ADB wait-for-device
echo "Remounting RW and removing Superuser and su"
$ADB remount rw
$ADB uninstall Superuser.apk
$ADB shell "rm /system/xbin/su"
echo "Rebooting device"
$ADB reboot
$ADB wait-for-device
echo "

 *******************************************************
 Now, please unplug usb, go to developer options and
 disable USB debugging and re-enable it.
 Once you've done that, re-plug your usb...
 *******************************************************"
read -rsp $'Press enter to continue...\n'
echo "

 Restoring persist partition."
$ADB push persist.img /sdcard/persist.img
$ADB remount rw
$ADB shell "dd if=/sdcard/persist.img of=/dev/block/platform/msm_sdcc.1/by-name/persist"
echo "

 Rebooting phone.

"
$ADB reboot
echo"

 *******************************************************
 Now your phone should be unrooted.
 To confirm, reboot into download mode:
    - Power phone off
    - Unplug any usb cable
    - Press and hold volume up button
    - Plug in usb cable
 After download mode has started up, it should say 'unrooted' in the bottom left.
 Press and hold power to normal boot out of download mode.
  -- Please report any issues you have with this --
 *******************************************************"