Flash Unofficial Android 4.1 Jelly Bean on Galaxy S2 [How-To]
When Android 4.1 Jelly Bean will be available for the Samsung Galaxy S2? No date now, but when Google released the Jelly Bean hardworking developers started work on the Jelly Bean to provide its goodies for other devices, firstly a XDA developer released Jelly Bean wallpapers then an unofficial Android 4.1 Jelly Bean ROM released for HTC One X and Samsung Galaxy S3 and now also available for the Samsung Galaxy S2.
Thanks to XDA developer member LastStandingDroid, the ROM is ported from the Samsung Galaxy Nexus Android 4.1 Jelly Bean OTA update and it based on modified CM9 Kernel, the ROM brings a new experience on your Samsung Galaxy S2 but one thing do keep in mind that the ROM is still in development stage, which means it has some bugs, lots of things are working fine but some basic features aren’t working now such as Wifi, Bluetooth, Camera, Google Search, Audio, Logcat and might be more.
The ROM isn’t ready for the daily use and I would like to say here, don’t flash this ROM because the risk if involved now but if you really want to taste the latest Google’s mobile operating system Android 4.1, you can follow the below guide to install this unofficial Jelly Bean on your Samsung Galaxy S2.
Before installation first note that the ROM is just for Samsung Galaxy S2 model number GT-I9100 so don’t try it on any other model, your device must be rooted with ClockworkMod Recovery 5 (or above version) installed, charge the device battery and make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or get damaged following this guide.
Install Android 4.1 Jelly Bean on Galaxy S2
Step #1: Download the latest version of ROM from here [XDA LINK] to PC.
Step #2: Transfer the downloaded file to SD card of device.
Step #3: Turn the device off.
Step #4: Reboot the device into recovery mode by holding down volume up, home and power buttons (Note: In recovery mode use volume keys to navigate and power button to select).
Step #5: In recovery mode, create a nandroid backup of your current ROM, it’s important because if anything not work out that you expect from this ROM, you’ll be able to easily revert back to your current state. To create backup select “Backup and Restore”, and then select “Backup” again.
Step #6: Perform full wipe, first select the wipe data/factory reset, and confirm on the next screen.
Step #7: Select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded file that you’ve transferred in above step and confirm installation. Wait till installation complete.
Step #8: Once the installation is completed, select “Go Back” after that select “Reboot System Now.”
That’s it, you’re done, enjoy the Android 4.1 Jelly Bean on your Galaxy S2 and comment below for queries, you can visit the original thread of XDA for more information link given in first step.