Official Cyanogenmod 11 Nightlies, ROM for the Samsung Galaxy S II
CyanogenMod Wiki
CyanogenMod is a free, community built, aftermarket firmware distribution of Android 4.4.4 (KitKat), which is designed to increase performance and reliability over stock Android for your device.
This is the support thread for CM11.0 on the Galaxy S II I9100 .It is still a major work in progress, so please make sure you have a backup that you can restore if you run into problems.
All the source code for CyanogenMod is available in the CyanogenMod Github repo.
And if you would like to contribute to CyanogenMod, please visit their Gerrit Code Review.
Changelog
Latest Downloads
You Can Also Use CyanogenMod Installer for Installing the ROM
Google Apps Download : Standard (90 MB) / Minimal (20 MB)
Installation
1) BACKUP all your data , apps etc.
2) You need CWM Recovery version 6.0.4.4+ (Flash CWM-KitKat Compatible from here to get it)
3) Copy the ROM and GAPPS Zip's to your device
4) Boot into Recovery and Wipe Data/Factory Reset.
5) Wipe Cache and Dalvik Cache(Advanced)
6) Wipe /System and /Preload in Mounts and Storage
7) Install the CM 11 Rom Zip and GAPPS Zip
8) Reboot
Note : First Boot Can take upto 5-10 minutes
Known Issues/Bugs
External SD Card is Buggy
Music Bug
Note : As these are Nightly builds there can be more Issues
Download