Install Android 6.0.1 Marshmallow on T-Mobile Galaxy S2 T989 [CM13]

Android 6.0.1 Marshmallow via UNOFFICIAL CyanogenMod 13 is now available for Samsung Galaxy S2 T989 T-Mobile. The Galaxy S2 is pretty old device and Samsung has already left firmware update support for it but now you can enjoy the goodies of Android 6.0.1 Marshmallow latest firmware on Galaxy S2 with CM13 ROM. In this detailed tutorial we have mentioned the whole procedure from start to end to install Android 6.0.1 Marshmallow on T-Mobile Galaxy S2 T989. If you think you are good enough to perform such operation with your device then what are you waiting for Just go ahead and follow the below description.

Custom ROM gives you freedom to modify and optimize your device according to your wish. So installing CM13 ROM on your T-Mobile Galaxy S2 T989 you will be able to perform modifications and customization in your device. You can add tweaks and theme your device to give it new look every time you see, some custom ROM also let you overclock the CPU to enhance it’s performance. In the previous articles we have mentioned the similar procedure for Galaxy S4 and Galaxy S5 now in this guide following the same process we will install Android 6.0.1 Marshmallow on T-Mobile Galaxy S2 T989 via CM13 custom ROM.

Note: The CM13 ROM for T-Mobile Galaxy S2 T989 is currently in the testing stages and you may notice some lags but if you are feeling eager to install then just carry on along with the guide. Remember CM13 ROM is a third party custom ROM but not an official/stock firmware by the manufacturer so after installing CM13 ROM on T-Mobile Galaxy S2 T989 if you wish to revert back to stock firmware you can do it any time you want.

How to install Android 6.0.1 Marshmallow on T-Mobile Galaxy S2 T989 via CM13 custom ROM

Disclaimer: This guide includes flashing custom ROM on your device, it is not an official firmware but will flash the custom firmware. The writer is not responsible for any damage happens to your device during the whole operation neither we are forcing you to perform such operation.

Before you begin:

Installing custom ROM on your device needs some early preparations to be made and these preparations include;

A custom recovery is the most necessary element while installing custom ROMs or any .zip file in your device so a custom recovery like ClockworkMod or TWRP must be installed on your device.

Keep your battery charged or at least your device should contain at least 80% charge before the flashing operation.

Android USB drivers for your device should be installed on your PC, or you can download the latest USB drivers for your device from the below provided link.

Download USB drivers for Samsung

If the PC is unable to unable to detect your device after even after installing Android USB drivers for your device, then you need to perform one more step, Enable USB debugging.

To enable USB debugging in your device go to Setting >> Developer options >> USB debugging.

Sometimes “Developer options” are not visible in device settings menu, so what you need to do is, go to Settings >> About device >> Software information and there you will see an option build number. Tap it 7 times until a pop up arises with a message that you are now a developer, that’s it now go back and the Developers option is visible in the settings menu.

Create a Backup of your complete Android device

Backup is the most necessary part for your device you need to create a Nandroid backup of your device through custom recovery. We prefer Nandroid backup over other many apps because you don’t need to download multiple backup apps for specific purpose, the Nandroid backup will let you create backup of your device including; Messages, call log, settings and calendar including whole Android OS. Click the below link to create a Nandroid backup.

How to create a Nandroid backup/restore of your Android device

You can easily restore your backup when ever you wish to do so, this is good in aspect if your device accidentally met some issue during the flashing process.

Once you done with the above preparations now it’s time to flash CM13 ROM on your T-Mobile Galaxy S2 T989.

Process to install Android 6.0.1 Marshmallow on T-Mobile Galaxy S2 T989 via CM13 custom ROM

Download CM13 Android 6.0.1 Marshmallow ROM for T-Mobile Galaxy S2 T989. Download here

Download Google Apps [Gapps]

Once you successfully downloaded the CM13 ROM along Google Apps on PC, Now connect your device to PC and move the downloaded files on the internal storage of your device. [If you downloaded it via phone then skip this step]

Its time to reboot your device into recovery Mode, to do so you can search for it or use hardware buttons combination. (If your device is rooted then its super easy, just visit Google Play and download any third party reboot app for this purpose)

Once your device successfully boots into recovery mode, select the downloaded Marshmallow ROM .zip file and confirm it by swiping the slider for (TWRP) or yes for (CWM).

Wait for the process to complete, now perform the same step to flash Google apps zip file on your device.

Once successfully done with the installation procedure simply reboot your device, please note the first boot up may take 5 to 7 minutes so be patient as things needs to be settled up for boot.

That’s it! Congratulation you have successfully installed Android 6.0.1 Marshmallow on T-Mobile Galaxy S2 T989 via CM13 custom ROM. Follow us on Facebook/Twitter/Google+.

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