Downgrading your LG G2 to stock Android 4.4.2 KitKat OS, or if you prefer better installing stock Android firmware on your LG G2, is an extremely important operation as it might be required in various situations – we will discuss about this in a minute. So, if you are looking for a compatible step by step guide and manual downgrade tutorial that is compatible with the Verizon, AT&T or Sprint model of the LG G2, you can now safely follow and apply the guidelines from below, which will easily take you through the flashing process of stock / official Android 4.4.2.
This is an official guide as you will not install a custom ROM. The downgrade operation is therefore similar with applying an OTA update in a manual matter. Because of that, by completing the steps from below you will not void the warranty of your Verizon, Sprint or AT&T LG G2 and moreover you will be able to restore the warranty in case it has been previously voided; again we will discuss about this a little bit later. Now, even though the guide is official, the update procedure is manual so you should be careful when performing the steps from below. Try not to mess things up as you can end up in bricking your Android smartphone – just read the guidelines and don’t flash anything without consulting my indications first.
Downgrading the Sprint, AT&T or Verizon LG G2 to stock Android 4.4.2 KitKat OS will be required in several situations such as: you have bricked your Android device while trying to unlock its bootloader, gain root access, install a custom recovery image, flash a custom ROM firmware and so on; you have updated your Android smartphone with a custom ROM and the firmware is buggy and you now want to restore the stock software; you need the warranty back (the warranty usually gets void when performing unofficial operations such as gaining root access), your phone is slow and you can’t speed it up; and so on.
As you can see, this guide is quite important as it can resolve various problems and it can also unbrick or fix your Verizon, Sprint or AT&T LG G2. But for being able to safely complete this procedure you first have to take care of the pre requisites tasks, which are being described and detailed during the following list. Don’t skip this part as it is the most important section of this tutorial.
- First of all backup your data which is saved on the internal storage of your LG G2. It is important to make a proper backup as your data might get corrupted or even wiped out.
- You can use free distributed backup and restore apps from Google Play in order to save your contacts list, the text messages, the call logs, internet settings, market apps and personal info, data and accounts.
- Make sure that you can use a computer, your Verizon, AT&T or Sprint LG G2 and the phone’s USB cable.
- On your computer first of all deactivate the security protection; tools like antivirus or antimalware might interfere with the flashing process.
- On your Android smartphone enable USB debugging option as you will have to connect your LG G2 with your computer – just go to “menu – settings – developer options” and check the USB debugging box.
- Also, check the battery status of your device; if there is less than 60% power left, you should charge your phone before doing anything else; if your handset gets turned off in the middle of the installation procedure, it might get also bricked.
- Remember that this step by step guide is compatible only with the Verizon, Sprint or AT&T model of the LG G2, so use the steps from below for installing stock Android 4.4.2 KitKat OS only if you have one of the mentioned Android devices.
- Try not to mess things up as you can easily end up in bricking your smartphone.
Now, before heading to the proper guide you need to download the required files on your computer; so, use the list from below for achieving the same.
- Download the stock Android 4.4.2 KitKat firmware; for Verizon LG G2 use this link, for the Sprint model go here and for AT&T G2 go here.
- Download the flash device DLL file; for the Verizon version of the LG G2 go here.
- Download the DLL file for the flash tool; for Verizon from here, for AT&T from here and for Sprint from here.
- Download LG flash tool from here and the LG G2 drivers from here.
Good; now you can safely begin to downgrade your LG G2 to stock Android KitKat OS. So, don’t hesitate and apply the steps from below.
How to Install Stock Android 4.4.2 Firmware on LG G2 (Compatible with Sprint, AT&T and Verizon models)
- Install the drivers on your computer; for example run the LG VZW_United_WHQL_v2.11.1.exe executable file.
- Now run the Setup_LGFlashTool_22.214.171.1243.exe executable file for installing the flash tool on your computer.
- Unzip the flash tool dll file to overwrite the Megalock.dll file.
- And finally unzip the firmware file on your computer, preferable on desktop.
- Turn off your LG G2.
- Press Volume Up while plugging the device to the PC using an USB cable.
- Up next open Device Manager on your PC. Then find the LG entry (from COM section), right click on it and choose „proprieties”. Click on Port Settings tab and select the advanced button.
- You have to change the COM port number into “CM41”; then close this window.
- Remove the USB cable from PC.
- On your computer now run the LG Flash tool and choose “manual mode”.
- Select the dll file along with the TOT file which you have downloaded before. Do that as soon as flash tool prompts you.
- Click on the yellow arrow on the top left corner of the LG flash tool.
- Again enter your LG G2 in download mode and connect it with your computer. The flashing procedure should start automatically.
- In the end, your phone will reboot into stock Android KitKat OS meaning that you are done.
Perfect, that was all for now. You learned how to manually install stock Android 4.4.2 KitKat OS on your Verizon, Sprint or AT&T LG G2. If you have questions or if you want to share your experience with us and with other Android users, don’t hesitate and use the comments field from below in that matter.