How to Unroot the LG Optimus F7
Maybe you’re facing issues on your LG Optimus F7? Maybe you want to send it in for warranty purposes? Either way, this guide should help you. It teaches how you can unroot your LG Optimus F7 and get it back to stock. This’ll solve any software related issues that you might be facing on your device. Here’s how:
Unrooting is the process of removing root access, a custom recovery (if you have one), and just trying to get the device back to as close to stock as possible.
Some of the reasons for unrooting your LG Optimus F7 are:
- Sending in the device for warranty (most, but not all unrooting procedures reinstate the manufacturer warranty if you had one before rooting).
- Starting over (simply undoing everything you did while rooted so you can have a clean slate to start over).
- Fix any issues (Maybe rooting messed something up? No problem, unrooting will take care of it for you).
Ready to get started? Here’s how to unroot the LG Optimus F7:
I. Before You Begin
1. You should’ve rooted your device using the procedure given here.
2. This should flash the stock firmware on your device.
3. This should only work on Windows XP. If you’re using Windows 7 or 8, you might want to run the following tools in Windows XP compatibility mode.
II. Downloading Required Files
1. Download Flash Tools archive and save it to your desktop.
Flash Tools (Download link’s available in the first post)
2. Download the appropriate stock firmware for your device and save it to your desktop.
III. Unrooting the LG Optimus F7
1. Extract files from Flash Tools to your desktop by right-clicking on it and selecting Extract here.
2. Double-click on B2CAppSetUp and follow the on-screen installation instructions.
3. Double-click on LGUnitedMobileDriver and it’ll install the required drivers on your PC.
4. Double-click on MSXML 4.0 SP3 Parser and let it install on your PC.
5. Double-click on Windows Enabler and you should be able to see its icon in your taskbar.
6. Make sure it says ON. If it doesn’t, click on it and it’ll be enabled.
7. Double-click on UpTestEX executable available on your desktop.
8. Click on folder icon under the heading Encrypt cab file to kdz file.
9. Select the Stock Firmware .cab file available on your desktop.
10. Click on Encrypt cab -> kdz.
11. It should begin converting the cab file to kdz file.
12. It should be done within a couple of minutes.
13. Now select 3GQCT from the Select Type dropdown menu.
14. Select CS_EMERGENCY from the PhoneMode dropdown menu.
15. Click on folder icon next to where it says Select kdz file.
16. Select the Stock Firmware .kdz file that you generated in the 10th step.
17. Turn OFF your device.
18. Turn it back on by holding down Volume UP and Power buttons together.
19. Your device should reboot into Download mode.
20. Plug in your device to your PC using the USB cable.
21. Click on Normal web upgrade test.
22. Click on Upgrade Start.
23. Select Different Country from the Country dropdown menu.
24. Select English from the Language dropdown menu.
25. Click on OK.
26. It should begin flashing the selected stock firmware on your device.
27. It should take some time to flash the firmware.
28. When the firmware’s flashed, reboot your device.
29. And you’re done!
Ah! Your LG Optimus F7 is finally unrooted. It’s now running the official LG stock firmware.
You can click here to find all of the LG Optimus F7 How To’s.
You can also find all of the LG Optimus F7 ROMs we have here.
