To experience these custom releases, the users have to root their device and install ClockworkMod (CWM) recovery. Thanks to the Android developer community, the Galaxy S2 has received the latest version of Jelly Bean software via several custom builds such as CyanogeMod, AOKP and RootBox ahead of official release. The manufacturer is yet to provide details on the latest Android 4.2.2 (Jelly Bean) upgrade, which Google has released for its Nexus devices.
Samsung has released Android 4.1.2 Jelly Bean update for Galaxy S2 I9100.