How to Upgrade Samsung Galaxy S2 I9100 to CM13 Android 6.0 Marshmallow

Though the Samsung Galaxy S2 is one of the oldest Samsung android devices yet available, it continue... thumbnail 1 summary
Though the Samsung Galaxy S2 is one of the oldest Samsung android devices yet available, it continues to receiving every single later development in the android OS. This signifies one thing; that the Samsung Galaxy S2 will not e forgotten anytime soon and, developers' interest in the device continues to grow.

For the fore mentioned reasons, a developer has created a CyanogenMod 13 which is android 6.0 Marshmallow ROM for the Samsung Galaxy S2 GT-I9100 based on official CM sources.

If you have the Samsung Galaxy S2 in your possession, this is a good news for you. You can now flash the official CM 13 android 6.0 Marshmallow on your Samsung Galaxy S2. Meanwhile, it should be noted that you need custom recovery flashed on your Samsung Galaxy S2 before you could flash any custom ROM on it including the Google Gapps for CM 13 android 6.0 Marshmallow.

See here: How to Flash Custom Recovery On Samsung Android Devices


1. Download CyanogenMod 13 for Galaxy S2 from here.

2. Download Android 6.0 Marshmallow Google Apps from here.

3 Move both files (CM13 for the S2 and the GApps) you have downloaded to the root of your Galaxy S2 internal storage.

4. Turn the phone off. Press the volume up, home and power buttons at the same time for some minutes. This will boot the phone to recovery.

5. From there, perform a factory reset to wipe data and delete cache.

6. Then flash the ROM first and then Google Apps by tapping or selecting "Install ZIP from SD Card".

7. Once you have successfully flashed both files, reboot the phone to see CM13 android 6.0 in action on your SAMSUNG GALAXY S2.

It is strongly recommended that you do a complete backup of your ROM before you proceed with the instructions above. Also, backup up your SMS, backup your contacts and other necessary documents before you proceed.

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