As you guys know Samsung Galaxy S2  is not going to get the official Android Marshmallow 6.0.1 Update from Samsung as it is a very old device.Still there is another way to get Android Marshmallow On your Galaxy S2.You can Install Any Android 6.0 Marshmallow custom ROM via recovery to get Marshmallow on your Samsung Galaxy S2 I9100 Team CyanogenMod has released Official CyanogenMod 13 a.k.a CM 13 nightly ROM For Samsung Galaxy S2 I9100.As I mentioned before, it is an official ROM based on latest Android Marshmallow 6.0.It is safe to use as a daily driver.But remember, this is a nightly build so you will receive updates every day.You can use this one as your daily driver. This official CM13 ROM is a Very clean & Fast ROM with some added extra useful features.You will also get the DOZE Mode resulting in good battery life.Below we will be sharing Full step by step guide to Flash / Install Official CM13 ROM On Samsung Galaxy S2 I9100 Supported Devices: This guide is only for Samsung Galaxy S2 I9100 (International variant) Read More:

How to Install CM 13 On T-Mobile Galaxy S2 Android Marshmallow 6.0 How to Install CM 13 On AT&T Galaxy S2 Android Marshmallow 6.0

Important Read:

*Make sure there is at least 60% battery left on your smartphone before begin. *Make Sure TWRP is installed on your device.

Warning:

rootmygalaxy.net will not be held responsible for any kind of damage occurred to your Samsung Galaxy S2 I9100 while following this tutorial.Do it at your own risk.

Pre-Requirements:

Make sure you have a custom recovery (TWRP/CWM) Install On your device.We recommend TWRP Recovery. Now from TWRP Recovery →Take a proper Nandroid backup so that you can restore anytime you need. Guide > How To Create & Restore Nandroid Backup On Android Devices

Downloads

Download Official CM13 ROM For Samsung Galaxy S2 I9100 (Intl)

*First of all, read the Pre-Requirement section carefully

Now Download Both Official CM13 and Gapps Zip file from the download section above Next, Connect your Galaxy S2 to Your PC via provided USB cable Then Copy both downloaded files to the internal memory of your Galaxy device Now reboot your device to Recovery mode Now from TWRP Recovery →Take a proper Nandroid backup so that you can restore anytime you need. Guide > How To Create & Restore Nandroid Backup On Android Devices Now follow this guide to Flash The CM13 On Galaxy S2 I9100 –»How to Install CM13 (CyanogenMod 13) Via TWRP Recovery After Flashing the CM 13 ROM, now Flash the Gapps -» How To Download & Install CyanogenMod 13 Gapps

→ If you want to enable root access on CyanogenMod 13 then follow this guide–»How to Enable Root Access on CM13 If you have any questions related to this post feel free to ask in the comment section.

 CM13  Download   Install Official CM13 Galaxy S2 I9100 - 13