CyanogenMod has released the first official nightly build of CyanogenMod 13 for Samsung Galaxy S2, which brings Android 6.0.1 Marshmallow along with many new features to the five-year-old phone. Interested users may go through the easy installation guide given below to install the official CyanogenMod 13 (Android 6.0.1) on Galaxy S2.
Before you get start installing the CyanogenMod 13 ROM on your Galaxy S2, note that the present status of the ROM is nightly, which means it is incomplete and you may come across bugs while using the phone. However, previous experiences showed that the Nightly builds are more reliable, if you are ready to face few glitches.
Note: The below procedure will wipe your device, so backup EFS data, phone data such as personal files, images, videos, messages, emails, contacts, apps, SMS, Contacts, Call Logs, Bookmarks, etc.
Install Official CyanogenMod 13 on Galaxy S2 Intl Variant (i9100)
Prerequisites: Your Galaxy S2 must be running on Android 4.4 KitKat, rooted and latest version of custom recovery like CWM or TWRP installed.
Disclaimer: Follow these instructions carefully. Do it at your own responsibility. We cannot take responsibility for anything that goes wrong.
1. Download the official CyanogenMod 13 ROM zip file [HERE] and Gapps [HERE] zip file for CM13.
2. Copy both downloaded zip files to your phone’s SD card.
3. Boot Galaxy S2 into custom recovery mode. To do so, turns off your phone, press, and hold Volume Up + Home + Power Key together.
4. From custom recovery, wipe cache partition, data and dalvik cache by choosing Wipe option.
5. Select “Install”, navigate to CyanogenMod 13 ROM .zip file that you placed on your SD card, then swipe right and let the installation process to complete. Do the same for Gapps zip file.
After completing the installation, your phone will reboot (for the first time, it will take little long time). Enjoy Android Marshmallow!
Troubleshooting
If your Galaxy S2 stuck in a boot loop (does not start up), power off it and boot it into recovery mode.
From recovery, do wipe factory data, cache and dalvik cache. Once done reboot your S2. It will remove all the system junks as well as solve boot loop and restart issues.
Any doubt, feel free to ask us. We hope our guide is easy to use. Please leave us feedback through comment box below.