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Install XenonHD Android Custom ROM on LG G3 D850 (AT&T)

Now install XenonHD Android Custom ROM on LG G3. The Android XenonHD custom ROM is available for AT&T LG G3 D850 model. Now you can easily update your smartphone to Android XenonHD Custom ROM. Recently the XDA developer has released the AOSP ROM for LG G3 smartphone. The Custom ROM based on Android Lollipop 5.1.1 firmware. And it has all the features of Android Lollipop 5.1.1. So if you are interested to install XenonHD Android Custom ROM on LG G3. Then follow the whole article and update your smartphone to the latest firmware.

Install XenonHD Android Custom ROM on LG G3 D850 (AT&T)This AOSP Lollipop 5.1.1 ROM has well benefited and better performance. After installation, you have the good features on your LG G3. Such as your phone will run faster and smoother, and your smartphone battery life is an increase. This AOSP Lollipop firmware is official firmware but it has not fully proved. So you will face any some bugs. So follow up the guideline and taste your smartphone to Android Lollipop 5.1.1. But before gaining the process keep some guide and then proceed.


  • The given article only stable for AT&T LG G3 D850 Don’t use this article for other variants.
  • Follow up step by step guide and don’t mess up any step during the process. Otherwise, we will not responsible if something goes wrong.
  • You have must unlock the bootloader on your LG G3.
  • And your device must be installed the custom recovery like TWRP or CWM.
  • Backup your smartphone and save the data in the safe location.
  • Charge your phone up to 60% before starting the process.


How to Install XenonHD Android Custom ROM on LG G3 D850


Step 1: First download the Android XenonHD custom ROM and Android Gapps files from the above links. And save the both zip file in the internal storage on your device.

Step 2: Then turn OFF your LG G3 and boot in Recovery Mode.

Step 3: For to do so press and hold the Volume Down + Power button at the same time for a while. And when you see the Logo will appear then release the button and again press the Volume Down + Power button. Then you will enter into Recovery Mode.

Step 4: Once you enter to recovery menu then you will be required to factory reset your LG G3. Simply in the TWRP recovery main menu tap the wipe button and select the Advanced Wipe. And then select all Dalvik Cache, System, Data and Cache option.

Step 5: After that, go back to the TWRP main menu and select install option. And then find and load the Android XenonHD Custom ROM and flash the process.

Step 6: And then again go back to the TWRP main menu and press the install option. But this time finds and load the Android Gapps and install the process on your smartphone.

Step 7: Wait for the process until the flashing process is done. Then go back to the TWRP main menu and wipe your device again. And then Reboot your LG G3.

Done! Now you have successfully install Android XenonHD Custom ROM on LG G3, now join your device with the latest firmware and better performance.

If you have any trouble during installation then leave comments. We will try to contact you ASA possible

About the author

Nadeem Khan

Nadeem Khan has founder and owner of, he has Master in Computer Science (MCs) and enthusiastically interest in techs News and updates. Also, part-time watching news videos, playing Games and a deep lover of Web developer and Web designing.

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