Manual Update Galaxy S2 GT I9100G with Jellybean 4.3 Android Firmware – Guide

Jellybean4.3Samsung Galaxy S2 GT I9100G Android smartphone users can also be delighted now as even you guys can install the latest Jellybean 4.3 Android OS. Though there is no official firmware update of Jellybean 4.3 release, you can still apply this release from Cyanogen mod team.

So, before you can proceed to the actual set of instructions which will help you update the device, you will need to make sure that you have followed the list of quick pre requisites which are mentioned below;

Quick Pre Requisites:

  • Make sure that you have created a backup of all the data in your device with the help of below mentioned steps, Don’t backup the data with the help of KIES as it won’t help you back up the data.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

  • Enable the USB Debugging in your Galaxy S2 from the path “Settings > Applications > Development > USB debugging”. Also, the minimum battery life should be a minimum of 40% or else there is a risk of device getting turned Off in the middle of firmware update.

Disclaimer: Follow all the instructions mentioned in this article as if there is any damage caused due to not following instructions then we shall not be held liable or responsible. Just in case if you face any issues then we will try our level best to address the same.

  • As this is the custom ROM firmware, you need to make sure that you have rooted your device. To check on whether your Galaxy S2 is rooted or not, you will have to download the “Root Checker” app from the PLAY Store.

Once you are done with all the above mentioned steps, it’s time to proceed to the next page where we have summed up all the detailed instructional guide which will help you upgrade the device.

About Pradeep Neela

Friends call him Droid Geek because he tries out different ROM’s everyday and helps droid users experience better features on their devices. Add +Neal Pradeep on Google Plus for more Updates.