LG G2 is a great Android based smartphone so also great things should happen for the mentioned device. CyanogenMod considered the same so now you can easily install the Nightly release of CM11 on your LG G2. Of course, by flashing the firmware you will also get a custom version of Android 4.4.2 KitKat OS on your G2, so if you want to spice things up a little bit, now you have the perfect chance. For being able to update your LG G2 to Android 4.4.2 with CM11 software, first you will have to read the guidelines from below, which will also take you through the installation procedure required on this matter.

Since those of CyanogenMod released the Nightly build of CM 11 for the LG G2, the same Android 4.4.2 based custom ROM is official. Well, not official as you might think, as the software has nothing to do with Google or with LG. The firmware is developed by third party devs and represents a free aftermarket distribution of KitKat system. But, you are not dealing with a ported or modified version of the CM 11 platform; you are getting the real thing.

CM11 Nightly is a stable Android 4.4.2 custom ROM that will smoothly run on your LG G2. The software has been especially optimized for your device, so with CM11 your smartphone will be able to perform even better than before. That’s why, after completing this tutorial you will be able to receive more power, enjoy improved battery life, operate on a redesigned Android KitKat UI and use an improved web browsing experience. Of course, all that is possible as CM 11 brings both stock and extra features, apps and capabilities – which usually cannot be found on the default Android system.

As I have already stated, CM11 nightly for LG G2 is stable and smooth. Everything is working without problems and you can use your smartphone on full power without dealing with factory or default restrictions or without being slowed down by bloatware programs. In a few words, you LG G2 will become your new playground as you will be able to change, optimize and personalize everything you will want.

But for being able to achieve all that, first you will have to complete this step by step guide. And for safely doing so, first you will need to take it through the pre requisites guidelines, which are being described and explained below. Don’t skip the lines from this tutorial as you can end up in damaging or bricking your Android device. Do consider this update method risky and complex, as after all, installing CM11 on your LG G2 is not an official operation.

In order to apply the steps from this tutorial, you will first have to root your LG G2. Gaining root access is extremely important as in this way you can unchain the system of your device – for example a custom ROM will have to use some in built programs for being able to run properly, the mentioned access being granted by root. Unfortunately, when gaining root access the warranty of your phone will get void – the binary flash counter will be increased; for restoring the lost warranty you will then have to downgrade to stock Android OS for revoking root access and for reinstalling the official Android firmware above CM11 custom ROM.

After gaining root access you need to flash a custom recovery image. On your LG G2 is running the stock recovery, but unfortunately for you, the same can’t be used when installing CM 11 Android 4.4.2 KitKat firmware. So, get and flash a custom recovery image – I recommend you to apply the latest version of CWM or TWRP recovery because Android 4.4.2 based ROMs can be flashed only by using the same.

On the other hand, I recommend you to backup the LG G2 data as on the update operation a wipe will be required. CM11 will not run properly unless you first wipe the system and clear cache. Because of that you can lose almost everything that’s saved on the internal storage memory of your device. So, as you can see, completing a backup operation is quite important especially for saving stuffs like contacts list, call logs, text messages, market apps, personal info and personal accounts. Of course, you can also use the custom recovery image you have just flashed for making a Nandroid backup, in order to save / restore the current ROM.

Those are the essential pre requisites. During the list from below you have the general pre requisites which must be ensured each time you are performing a manual and unofficial operation (update, root, unlock and so on).

  • Make sure that you can use a computer, your smartphone and its USB cable.
  • On the computer and device don’t use any security tools; if there are running similar programs, temporarily deactivate them.
  • On your phone enable USB debugging because a connection between your LG G2 and your computer will be required. Enable the mentioned option by going to “menu – settings – developer options”.
  • If your handset has less than 50% power left, before going any further consider in plugging in the charger; your phone might get bricked out in case it gets turned off in the middle of the update operation.

How to Install CM11 Nightly Build on LG G2 (Android 4.4.2 KitKat Custom ROM Firmware)

  1. On your computer download the files we will be using on the flashing operation: the CM11 Android 4.4.2 firmware file and the Google apps package.
  2. You can get the update file from here and you can download Google apps from this page.
  3. Place the files on desktop – don’t unzip the same.
  4. Then connect your LG G2 with your computer via USB cable.
  5. Transfer the downloaded files from desktop on your phone.
  6. Unplug the USB cord as the computer is no longer useful.
  7. Turn off your device and wait a few seconds before applying the next step.
  8. Reboot in recovery mode.
  9. Once in recovery mode, use the menu and select “wipe data factory reset” and “wipe cache partition”.
  10. Return, select “advance” and choose “wipe dalvick cache”.
  11. Once more go back to main menu of recovery.
  12. Select “install zip from SD card” followed by “choose zip from SD card”.
  13. Pick the Android 4.4.2 CM11 custom ROM file and flash the update on your LG G2.
  14. Do the same thing (repeat that step) and install Google apps package on your phone.
  15. In the end, just select “reboot system now” from main menu of recovery and you are done.
  16. In case your G2 gets stuck in a boot loop, go back to recovery and select “wipe data factory reset” and “wipe cache partition”.
  17. Also, for resolving any other problem, try to use our dedicated step by step guide from here.

Perfect; that was all for today. You have successfully updated your LG G2 to Android 4.4.2 KitKat OS. The nightly build of CM11 custom ROM firmware has been flashed on your device, so now a custom variant of KK is running on your smartphone. Test the CM 11 software and see how it performs on your G2. If you find something wrong, like bugs or things that aren’t working properly, return here and use the comments field from below for sharing your experience with us and with other Android users.

Tony F · 5 years ago

You also forgot to mention to wipe cache and Dalvik cache before rebooting after ROM and gapps installation (between step 14 and step 15). Failure to do so will result in a boot loop (aka stuck on the cyanogenmod boot screen). Hope that helps!

John Conner · 5 years ago

You failed to mention that the recovery was locked on the 4.4.2 update and they will need to first downgrade to 4.2.2 for the att variant this will be software version D80010d coming from D80020c and then they will need to perform a special operation to upgrade back to 4.4.2 while maintaining their 4.2.2 recovery....I would place a link but I don't have it on hand, you can find the tutorial on the xda-developer page

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