LG G3 was released in 2014 with a powerful 2.5 GHz Quad-core Krait 400 processor (Qualcomm Snapdragon 801 chips high-resolution camera with (Dual-LED), supports an Adreno 330 GPU running Android 4.4.2 KitKat. Certain variants of the LG G3 have already received the updated firmware version officially, and LG G3 is one of among those few lucky first Android-powered smartphones that tasted the stock Android 5.0 Lollipop update. If you have LG G3 D855, then here is good news for you that the latest stock Android 5.0 Lollipop has been released for the LG G3 D855 and you can now download and flash the Lollipop 5.0 stock firmware on your LG G3 to enjoy all its features.
If you are now interested in updating your LG G3 to this Lollipop update then here we’ve a step by step guide to update your device. This new update (Android 5.0 Lollipop Stock Firmware) comes with a new UI as well as the new APIs. Thanks to the XDA Developers senior member, Sooti for the release of this stock Lollipop ROM.
Having such an excellent high-end specifications device, it is not enough to just run Lollipop on it, but you’ll also need to root it to enjoy it’s all features. In this given guide first, we’ll install bumped TWRP on the LG G3 and then will flash the stock Lollipop ROM, after that we’ll root it with SuperSU. If you have already rooted your phone on custom Lollipop ROM firmware, then you’ll able to revert stock version. So follow the given tutorial to Install stock Android 5.0 Lollipop on LG G3 D855 and root it again on the Lollipop.
Note: This guide is working with LG G3 D855 only that will unofficially install stock Android 5.0 Lollipop update on LG G3 and then root it via SuperSU. Do not apply this guide on any other devices. This is a risky process; please read the given instructions carefully.
AndroidXDA.net will not be held responsible for any damage occurred into your device during or after the installation and rooting process of your LG G3. Proceed at your risk.
Before Getting Started:
- Take a proper backup of your data on your LG G3 before moving to installation guide using. Making a Nandroid Backup is recommended using TWRP.
- Install Bumped TWRP Recovery on G3 D855: view guide
- Root LG G3 to install Bumped TWRP recovery using Purpledrake Rooting Tool
- Download and install LG G3 USB Drivers on your PC.
- Enable USB Debugging Option on the LG G3 from Settings > Developer Options
- Setup Android SDK (ADB and Fastboot)
- Make sure that the battery level of your LG G3 is more than 70% before starting the ROM Flashing and Rooting processes.
Steps to Flash Stock Android 5.0 Lollipop Update on LG G3 D855:
Step No 1: – First plug the LG G3 to the PC using its USB data cable in Media Device (MTP) mode.
Step No 2: – Transfer the LG_G3_D855_Stock_20C_Bumped_Fixed.zip file to device’s storage.
Step No 3: prompt- Boot your device into Recovery Mode. To do so, first turn off your device and then press and hold the Volume Up + Power + Home buttons at the same time. Or open a new CoPrompt and enter the given command to boot your LG G3 into TWRP recovery mode:
adb reboot recovery
Step No 4: – Choose Wipe → Advanced wipe and then tick System, Data, Cache and Dalvik Cache.
Step No 5: – Now swipe the button to start flashing ROM.
Step No 6: – Go back to the main screen of TWRP once the ROM flashing process is completed.
Step No 7: – Tap on Install, navigate to the LG_G3_D855_Stock_20C_Bumped_Fixed.zip that you’ve already copied to the storage of your LG G3 in Step No 2. Select it.
Step No 8: – Swipe the button to confirm and start flashing the Bump fix on the LG G3.
Step No 9: – This process may take about 4 to 5 minutes. Choose Reboot and tap on System once the process is finished successfully.
Your device may take some time to boot for the first time after installation.
Steps to Root LG G3 on Android Lollipop 5.0 Stock Firmware:
After installing the latest Android 5.0 Lollipop on your LG G3 D855, you can easily root it via Chainfire’s SuperSU v2.37.
Step No 1: – To root your LG G3, first connect it to the PC once again in Media device (MTP) mode.
Step No 2: – Now transfer the UPDATE-SuperSU-v2.37.zip to the internal memory or external SD Card of the device.
Step No 3: – Turn Off your device to boot it into the Recovery Mode. Turn it On by pressing and holding the Volume Up, Power and Home buttons simultaneously. You can also reboot the device into TWRP recovery mode by giving the following command in the command prompt:
adb reboot recovery
Step No 4: – Tap on Install, navigate to the location where you have transferred the UPDATE-SuperSU-v2.37.zip on your device.
Step No 5: – Start the flashing process by swiping the button.
Step No 6: – Go to Reboot and tap on System after the installation finished.
Step No 7: – If prompted to fix root, tap on Do Not Install.
That’s All! You’ve successfully rooted the LG G3 D855 and the stock Android Lollipop 5.0 ROM is installed on it. Enjoy installing third-party root apps and tweaks. Do let us know in the comments section below if you have any query or problem while updating and your LG G3.