How to Install Jelly Bean ROM on Samsung Galaxy S 2 – Nightly Jelly Bean Custom Firmware

August 25, 20120 Comments

Samsung Galaxy S 2 was given the award of Smartphone of the year 2011 by many renowned institutions and it truly worth it. Samsung Galaxy S 2 introduced this world to some new technology at mind blowing price. Samsung Galaxy S 2 is now having a successor – Samsung Galaxy S 3, but still there are people who prefer to go with Samsung Galaxy S 2 than to go with Samsung Galaxy S 3. Samsung Galaxy S 2 comes with Android v4.0 (Upgradeable) and there are plans by Samsung team to get the Jelly Bean OS upgrade soon but you can of course get Jelly Bean ROM on Samsung Galaxy S 2. Here is a small tutorial that will guide you about – How to Install Jelly Bean ROM on Samsung Galaxy S 2 – Nightly Jelly Bean Custom Firmware.


Disclaimer : If anything happens to your device during this process, no one should be held responsible. Perform this at your own risk.

Warning : Once your phone will be rooted, your warranty will end. Your phone’s model number should be exactly Samsung Galaxy S 2 I9100. In case you own any other model, don’t perform this tutorial.

Checklist : Make sure your phone is having 70% remaining battery. All the drivers of your device’s drivers should be installed on your computer. Also make sure you backup everything like Contacts, SMS, MMS, Internet settings, Passwords etc as everything will be wiped off in this procedure. USB Debugging should be enabled (Settings>Developer Options>USB Debugging). Last but not the least, deactivate or uninstall all your antivirus programs, as they can later hinder the process and that’s something which is not wanted.

Step to Install Custom Jelly Bean ROM on Samsung Galaxy S 2

Step 1 – Download the Nightly Jelly Bean Custom Firmware and Google Apps Package on your computer.

Step 2 – Now connect your Samsung Galaxy S 2 with your computer and move both the .zip files to your phone’s SD card (only in the root folder).

Step 3 – Now disconnect your phone from the computer and restart it in the recovery mode, for doing so hold and press Volume Up + Home + Power button.

Step 4 – Once you are in the recovery mode, do the full data wipe and then select the option which reads “flash zip from SD card”, and then you need to select “choose zip from sdcard”. You can use volume keys to navigate and the power button to select an option.

Step 5 – Now you need to browse to the root directory where you placed your Custom ROM file. It will take some time for the process to get completely finished, once done you need to do the same thing for flashing the Apps Package.

Step 6 – Finally when everything is done, go back to the main menu of the recovery mode and select “+++++Go Back”. It will take some time to reboot, around 5-10 minutes for the first time.

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Arjun is a young energetic professional blogger from India who loves to read and write about Android, SEO, Gadgets etc.

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