Android 6.0.1 Marshmallow XOSP 4.1 ROM is available for AT&T LG G3 D850. The awesomeness of XOSP 4.1 [Xperia Open Source Project] can now be experienced on AT&T LG G3 D850. Isn’t it awesome? Androidbiits.com has recently posted the step-by-step tutorial for installing OptimalROM 15-5 on Verizon Samsung Galaxy S5 SM-G900V. The awesome news is that AT&T G3 D850 owners can now install XOSP 4.1 on D850. Isn’t it remarkable? Androidbiits.com will post the steps to install Android 6.0.1 Marshmallow XOSP 4.1 ROM on AT&T LG G3 D850. The vital thing is that XOSP 4.1 is an experimental build, so you may face issues on AT&T G3 D850 after installing XOSP 4.1.

It is expected that AT&T G3 D850 owners will be able to install Marshmallow 6.0.1 XOSP 4.1 on D850 effectively without having difficulty after reading the tutorial written in Androidbiits. XOSP 4.1 [Xperia Open Source Project] requires rooted AT&T G3 D850, so it is vital to root D850 before installing XOSP 4.1 [Xperia Open Source Project] on D850. You must root it to enjoy the awesomeness of XOSP 4.1 on D850. Well, it is vital to install TWRP 2.8.7.0 on AT&T G3 D850 to taste XOSP 4.1. Oh yes, the users of D850 can install XOSP 4.1 only after unlocking D850 bootloader.

If you aren’t happy with old firmware, then you must install XOSP 4.1 on AT&T G3 D850. The awesome thing is that XOSP 4.1 [Xperia Open Source Project] will let you enjoy Marshmallow 6.0.1 on D850. Androidbiits.com recommends that AT&T G3 D850 owners must take a backup of their private documents before installing XOSP 4.1 [Xperia Open Source Project] as there is a risk of data loss from D850.

Below are the steps using which you can install Marshmallow 6.0.1 XOSP 4.1 on D850. Androidbiits.com won’t take responsibility if D850 got harmed during the installation of XOSP 4.1 [Xperia Open Source Project]. The vital thing is that AT&T G3 D850 battery must be above 94 percentage before following this tutorial.

How to Update AT&T LG G3 D850 to Android 6.0.1 Marshmallow XOSP 4.1 ROM [Simple Steps]

1. It is essential to download Android 6.0.1 Marshmallow XOSP 4.1 ROM and GApps for AT&T LG G3 D850 on your desktop.

2. It is the time to activate USB debugging and attach AT&T G3 D850 with desktop.

3. It is essential to transfer XOSP 4.1 to D850.

4. It is the time to power off D850 and remove the USB cable.

5. It is essential to put AT&T G3 D850 into Recovery Mode.

6. It is essential to tap “wipe data/factory reset” on D850.

7. It is the time to tap “wipe cache partition” on D850.

8. It is essential to click “install zip from SD card” on D850.

9. It is the time to choose XOSP 4.1 on your D850.

10. It is essential to install XOSP 4.1 on AT&T LG G3 D850.

11. It is the time to go to the main menu on AT&T G3 D850 and click “reboot system now” option.

12. It is essential to wait until D850 restarts.

13. You can install GApps on D850 using the above steps.

After your AT&T G3 D850 is rebooted, you can taste Android 6.0.1 Marshmallow XOSP 4.1 on D850. Isn’t it outstanding? If you are facing issue during the installation of XOSP 4.1 [Xperia Open Source Project] on AT&T G3 D850, then don’t hesitate to share your issue with Androidbiits.com.