Update Galaxy S GT I9000 with Official Jellybean 4.2.1 Firmware – Guide

Galaxy S ICS New logoThe first build of Jellybean 4.2 has arrived for Samsung Galaxy S GT I9000 smartphone after the reports earlier came in that Jellybean 4.2.1 is headed for AOSP development. So, as a result the first build is out and in this article we gonna be checking out on how you can actually install this in your Samsung Galaxy S GT I9000 smartphone. Please note that this is not an Official firmware released by Samsung and Samsung won’t be coming out with any Official Jellybean versions officially due to hardware limitations. But not to worry as developers are sweating it out to give you the best Jellybean 4.2 experience on your Galaxy S GT I9000 smartphone.

Please note that since this is a custom ROM firmware, there are some bugs which will be there but will be addressed in the coming update releases. The best part of this custom ROM is that it’s based on the latest Jellybean 4.2 and also all the apps are based on the Jellybean 4.2.1 firmware. In the coming days we will keep you posted if at all there are any more new patch updates.

To check on whether your device is rooted or not, you will have to download the “Root Checker” app from the Google PLAY Store. Just in case if the device is not rooted, with the help of below instructions you can root the device.

Procedure to Update Galaxy S GT I9000 with XXJW4 Firmware

Procedure to Root Galaxy S GT I9000 on XXJW4 Firmware

So, let’s get started with the detailed guide but before that you will need to follow all the pre requisites which are mentioned below so as to make sure that whole process of firmware updates gets done smoothly.

Quick Pre Requisites:

  • Over the process of installing this update, there is a probability that the data might get lost or corrupted, so with the help of below mentioned steps you will have to create a backup of all your data. Don’t backup with the help of ROM Manager or with KIES. Don’t backup the data with the helo of ROM Manager as it may brick the device for which we should not be held responsible.

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

  • From the path “Settings > Applications > Development > USB debugging”, enable the USB Debugging, ensure that the USB debugging option is ticked. Also, make sure that the battery life is not less than 40% as this may turn off the device 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.

So assuming that you are done with the above mentioned steps, you can now proceed to the next step where we have mentioned the detailed instructions on how to apply this firmware update in your Galaxy S GT I9000 smartphone.

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.