How to Unroot the LG Ally

Unrooting the LG Ally smartphone is a bit tricky, as the process involves some steps that the novice users might not be aware of. But you don’t have to worry as we have simplified everything for you in the following guide. If you’ve rooted your LG Ally and now want to return to stock, this guide is going to be useful for you. Let’s see how you can unroot your LG Ally smartphone.

I. Before You Begin:

1. You should have rooted your device using the guide given here.

2. This will not flash the stock recovery on your device.

3. The following procedure works on Windows based PCs only.

II. Downloading Required Files:

1. LG Drivers (Download link’s given at the top, in the first post)

2. Root Package (Download link’s given in the first post, in Step-1)

III. Unrooting the LG Ally:

1. Download and place both the files on your Desktop.

2. Install the LG USB Drivers, they’re necessary in order for your device to be recognized by your PC.

3. Extract the Root Package archive to your Desktop. You should get a folder called LGNPST.

4. Inside the folder, you’ll have some files that can be installed on your PC. Install them in the following order:

LGNPST_General_v1.2_Lab_Version.msi

LGNPST_Components_Ver_4_0_22_0.msi

LGNPST_GenericModels_Ver_4_0_9_0.msi

5. After installing all the files mentioned above, go to the next step.

6. Copy the LGNPST.exe file you’ve inside the LGNPST folder over to C:\LG Electronics\LGNPST.

7. On your Desktop, there’ll be a shortcut named LGNPST, delete it.

8. Head to C:\LG Electronics\LGNPST folder and right-click on the file named LGNPST.exe and choose Send to>>Desktop (create shortcut).

9. Copy the VS740.dll file from the folder you extracted on your Desktop over to C:\LG Electronics\LGNPST.

10. Open a Command Prompt Window in the C:\LG Electronics\LGNPST folder. To do so, just go inside that folder, press and hold the Shift button on your keyboard and right-click on any empty area on the screen, then choose Open command window here.

11. Type in the following command into the Command Prompt Window:

regsvr32 VS740.dll

12. You should see a confirmation message on your screen that the file is successfully registered.

13. Open the LGNPST shortcut you created on your Desktop by double-clicking on it.

14. Enable USB debugging on your smartphone from Menu>>Settings>>Applications>>Development>>USB debugging.

15. Connect your smartphone to your PC using the USB cable.

16. Your smartphone will be shown on the LGNPST tool interface. Click on it.

17. Choose File>>Select DLL and then select the VS740.dll file.

18. From the provision tab, choose the upgrade option.

19. Click on BIN File option and select the BIN folder, it’s inside the LGNPST folder on your Desktop.

20. Type *.* in the Open BIN File window.

21. Click on the file named VS740ZV6_01.TOT and then hit Open.

22. Check the box given next to the SCR File field and then in the browse folder section, choose the SCR folder you’ve inside the LGNPST folder on your Desktop.

23. Now, select the file named VS740ZV6_01.SCR and click Open.

24. Make sure that the option named NAM2 is unchecked.

25. Checkmark the box given next to PRL.

26. Click on the folder icon given next to the NAM1 option, choose the PRL folder which is located inside the LGNPST folder on your Desktop.

27. Select the 58005 – OEM EVDO DEFAULT.PRL file and click Open.

28. Hit the Start button in the tool and the script should run to unroot your device.

29. The process could take as much as 30 minutes. So, please be patient.

30. Your device should reboot after the process has finished.

31. Turn OFF your device.

32. Remove the batter from your device.

33. Replace the battery in your device, do NOT turn ON your device.

34. Now, press and hold the Volume UP+Home+End keys together on your device. It should factory reset your device.

35. Reboot your device in the normal mode.

36. Dial *228# from your device and select the Option #2.

37. Next, dial *#*#CHECKIN#*#* to install the OTA updates.

38. Your device’s now unrooted !

Wonderful! You’ve successfully unrooted your LG Ally smartphone. Although the procedure wasn’t that short nor for beginners, you did it successfully!

If this procedure helped you please thank/donate to the original developers here.

If you need help with this procedure, please ask in the comments below or in the forum.

This is part of our Android How To’s. We have how to’s on rooting, loading ROMs, and tons of other tips and tricks for your specific device or for Android devices in general! For all of our Android How To’s, head here.