Samsung Galaxy S3 users can now install a new official leaked firmware XXDLI7 on their device. This is not an official update from Samsung and hence you may experience bugs.
The ROM and guide mentioned is to install Android 4.1 Jelly Bean firmware Samsung Galaxy S3 I9300 and is for any other variant or any other Android device. You can check Model no. by going to Settings >> About Phone.
We cannot be held liable of any loss or damage done to your device while following the below mentioned guide.
Install XXDLI7 Android 4.1 Jelly Bean Update on Galaxy S3
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. You can do that by going to “Settings” >> “Developer settings” >> Enable “USB debugging” option.
Download XXDLI7 Jelly Bean OTA update on your computer from here.
Copy the file to SD Card of your device.
Switch off your device and then boot into stock recovery. Hold Volume Up, Home and then Power buttons simultaneously. Wait till it boots into recovery.
Select “Apply update” from “SD Card” and navigate and select XXDLI7 Jelly Bean OTA zip file to start installing Jelly Bean OTA update. Wait till the installation gets complete.
Select “Go back” and select “reboot system now”.
XXDLI7 Android 4.1 Jelly Bean Update on Galaxy S3 is installed.