Android4.1 (Code Name: Jelly Bean) is a major platform release of Android Operating System that adds a variety of new features for users and app developers. Other then all the new features and APIs, Android 4.0 is an important platform release because it brings the extensive set of APIs and Holographic themes from Android 3.x to smaller screens.
Oncethat’s done you can download Hashcode’s latest Android 4.1 Jelly Bean .zip file to your device, as well as the latest (which contains the Play Store, Gmail, andFirstly download the Android 4.2.2 AOKP Build 4 Jelly Bean Custom ROM, followed by downloading Google Apps for the Samsung Galaxy S2 (GT-I9100). After that, hook up your Galaxy S2 to the computer via USB, copy and paste the aforementioned downloaded files over to the SD card. Once done, disconnect the USB and turn theStep2: Now, download Android 4.1.1 Jelly Bean (JRO03E) [Direct Download - Google]. This .zip file is for update to Jelly Bean from Android 4.0.4 (Build: IMM76D) on Nexus S models i9020T / i9023.