Once present for HTC One X and Samsung Galaxy S III, unofficial ROM of Android 4.1 Jelly Bean this time appears to phone Galaxy S II. This revealed a custom ROM posted on XDA-Developers forum, which is based on the Jelly Bean that appears in Galaxy Nexus prize at Google I / O and must use a modified kernel-based CyanogenMod 9. It should be noted for You who are interested to install the ROM is still having some problems. Jellybean Tread Here
Basic things like WiFi, Bluetooth, Camera, Google Search and SuperUser access does not work on the ROM. As such, it can’t be use as a daily driver; it is highly recommended that you stay away from the ROM unless you know the risks involved and are intent on trying out Jelly Bean’s new features on your device.