Samsung Galaxy S3 users can install a Custom ROM based on official Android 4.1 XXDLIB firmware named as InsertCoin ROM. The ROM comes with some new tweaks and improvements. We will go through the guide to install InsertCoin ROM Samsung Galaxy S3.
The guide mentioned below is only for Galaxy S3 I9300 and not for any other device. You can check your device model number 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 InsertCoin ROM based on Android 4.1 Jelly Bean 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” on your device by going to Settings >> Developer options >> Enable USB debugging.
Install ClockworkMod Touch Recovery 6 on Galaxy S3.
Download InsertCoin ROM from here and copy the file to SD-Card of your device without extracting.
Switch off device and enter into ClockworkMod recovery mode. Press and hold the Volume Up and Volume Down and Power buttons.
Take a Nandrop backup of your current ROM. Select Backup and Restore option from the recovery mode and then select backup again.
Select the option “wipe data/factory reset” and confirm to wipe all data.
Select “install zip from sdcard” and then select “choose zip from sdcard”. Navigate to ROM file and select to install. Wait till installation is complete.
Select “go back” and then select “reboot system now”.
InsertCoin ROM based on Android 4.1 Jelly Bean is installed on Galaxy S3.