Samsung Galaxy S3 I9300 can be updated to a Custom ROM, Omega ROM based on firmware XXELL5 Android 4.1.2. In this article we will be going through the guide to install Omega v35 ROM on Samsung Galaxy S3 I9300.
The guide mentioned below is only for Samsung Galaxy S3 I9300 and cannot be tried on any other device or variant. You can check device model by going to Settings >> About phone.
We cannot be held liable of any damage done to your device while following the below mentioned. procedure.
Install Omega v35 ROM on Samsung Galaxy S3 I9300
Take a complete backup of data,apps and settings as the procedure may wipe your data.
Make sure that the battery of device has a minimum charge of 60%.
Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.
Download the latest version of ROM from source page here.
Extract the zip file to SD-card of your device without extracting.
Switch off device. Switch off device and boot into recovery. Hold power button and volume down button and enter recovery.
Select “wipe data/factory reset” and wait till the data gets wiped completely. Click on “Advanced” and wipe off Dalvik cache.
Select “install zip from sdcard” and then select “choose zip from sdcard”. Navigate to Omega v35 ROM file which you have downloaded and confirm to “install”. Wait till it gets installed.
Select “reboot system now”.
You have installed Omega v35 ROM based on Android 4.1.2 on Samsung Galaxy S3 I9300.