Samsung Galaxy S3 I9300 – Update with Omega v33.2 Jellybean 4.1.2 Custom Firmware

Galaxy S2 Pink logoWith XXELK4 in place, it seems like it has become one of the favorite firmware base for the custom ROM makers as most of the upcoming firmwares. This XXELK4 Jellybean 4.1.2 firmware is the most stable firmware when talked about the stability and also comes with the new minor features. So, let’s check out on one more such firmware which is dubbed as Omega 27.2 version which is now been rolled out, this is a custom ROM firmware and not the official firmware released by Samsung Electronics. This Omega custom ROM firmware is not just stable but also comes with the Stock like theme and other important tweaks which are very handy.

Make sure that your Galaxy S3 device is rooted, this can be checked with the help of “Root Checker” app. If your S3 is not rooted, you will have to follow the below mentioned 3 steps so as to root the device. As soon as your S3 is rooted, download the “ROM Manager” app from the Google PLAY Store.

How to Update Galaxy S3 GT I9300 with Official Jellybean 4.1.1 XXDLIB Firmware

How to Root Galaxy S3 GT I9300 on XXDLIB Jellybean 4.1.1 Firmware

How to Flash Galaxy S3 I9300 with Clockwork Mod Touch Recovery 6.0.1.2

Omega 27.2

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.

  • Your precious data should be backed up so as to make sure that just in case if the data gets erased / corrupted, you should be in a position to restore the same. So, with the help of below mentioned manual steps you will have to create the backup.

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

  • Minimum battery level left in your phone should not fall below 30% so as to make sure that it doesn’t get turned Off in the middle of firmware update. From the path “Settings > Applications > Development > USB debugging”, enable the USB Debugging, ensure that the USB debugging option is ticked.

You will be requiring the external SD Card with almost 1 GB of free space so that the custom ROM firmware package can be placed in the same. Disable / uninstall all the antivirus tools present in your device as it may interrupt the process of firmware update.

So assuming that you are done with the above mentioned steps, you now need to head over to the next step where we have summed up a detailed tutorial on how to apply this firmware update.

  • Scott

    Just installed Omega v33.2 rom.. Its nothing like the pics on page 1, some of the apps in the pics dont exist.. and phone says its 4.1.1… stable rom but nothing special..

    What gives??

  • Krishna Singh

    Please someone buy this for me..

  • Azmic Ab

    Link broken….

  • Royce

    You say “place the zip file in your external sd card”, so I’m assuming you don’y mean the internal sd card.

    Then in recovery mode you say to select “choose zip from internal sd card” …

    Which is correct ?