How to Update AT&T Samsung Galaxy S2 SGH-I777 to Android 6.0.1 Marshmallow CM13 Unofficial ROM [Simple Steps]

Androidbiits.com brings an amazing news for AT&T S2 SGH-I777 owners. According to XDA Member CNBLACK, CM13 ROM is released for AT&T Samsung Galaxy S2 SGH-I777. CM13 [unofficial build] will let you enjoy the amazingness of Marshmallow 6.0.1 on AT&T S2 SGH-I777. Androidbiits.com has recently posted the step-by-step tutorial for installing Harfix3 Kernel 1.0 on Samsung Galaxy S3 GT-I9300. The outstanding news is that AT&T S2 SGH-I777 owners can now install CyanogenMod 13 [CM13] on SGH-I777. Isn’t it amazing? Androidbiits.com will post the steps to install Android 6.0.1 Marshmallow CM13 [unofficial build] ROM on AT&T Samsung Galaxy S2 SGH-I777. The vital thing is that CM13 is a test build, so you may face issues on SGH-I777 after installing it.

It is expected that SGH-I777 owners will be able to install CM13 on AT&T S2 SGH-I777 perfectly without having difficulty after reading the tutorial written in Androidbiits. CM13 [unofficial build] requires rooted AT&T S2 SGH-I777, so it is vital to root AT&T S2 SGH-I777 before installing CM13 on SGH-I777. You must root it to enjoy the amazingness of CM13 [unofficial build] on SGH-I777. Well, it is vital to install TWRP on AT&T S2 SGH-I777 before installing CM13. Oh yes, the users of SGH-I777 can install CM13 only after unlocking SGH-I777 bootloader.

If you aren’t happy with old firmware, then you must install CM13 on AT&T S2 SGH-I777. The amazing thing is that CM13 [unofficial build] will let you enjoy Marshmallow 6.0.1 on SGH-I777. Androidbiits.com recommends that AT&T S2 SGH-I777 owners must take a backup of their private documents before installing CM13 [unofficial build] as there is a risk of data loss from SGH-I777.

Below are the steps using which you can install CM13 on SGH-I777. Androidbiits.com won’t take responsibility if AT&T S2 SGH-I777 got harmed during the installation of CM13 [unofficial build]. The vital thing is that AT&T S2 SGH-I777 battery must be above 94 percentage before following this tutorial.

How to Install Android 6.0.1 Marshmallow CyanogenMod 13 [CM13] ROM on AT&T Samsung Galaxy S2 SGH-I777 [Simple Steps]

1. It is essential to download Android 6.0.1 Marshmallow CM13 [i777] Unofficial ROM and Gapps for AT&T Samsung Galaxy S2 SGH-I777 on your desktop.

2. It is the time to activate USB debugging and attach SGH-I777 with desktop.

3. It is essential to transfer CM13 to SGH-I777.

4. It is the time to power off SGH-I777 and remove the USB cable.

5. It is essential to put AT&T Samsung Galaxy S2 SGH-I777 into Recovery Mode.

6. It is essential to tap “wipe data/factory reset” on SGH-I777.

7. It is the time to tap “wipe cache partition” on SGH-I777.

8. It is essential to click “install zip from SD card” on SGH-I777.

9. It is the time to choose CM13 on your SGH-I777.

10. It is essential to install CM13 on AT&T Samsung Galaxy S2 SGH-I777.

11. It is the time to go to the main menu on SGH-I777 and click “reboot system now” option.

12. It is essential to wait until your SGH-I777 restarts.

13. You can install Gapps 6.0 on AT&T Samsung Galaxy S2 SGH-I777 using the above steps.

After your SGH-I777 is rebooted, you can taste CM13 on AT&T S2 SGH-I777. Isn’t it outstanding? If you are facing issue during the installation of CM13 [unofficial build] on AT&T S2 SGH-I777, then don’t hesitate to share your issue with Androidbiits.com.

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