Update Galaxy S3 I9300 to Android 5.1.1 Lollipop

Update Galaxy S3 I9300 to Android 5.1.1 Lollipop with Euphoria OS ROM [How to]

Samsung’s old flagship handset Galaxy S3 I9300 may no longer receive Android OS update support from its manufacturer. But these devices can be updated now to the Euphoria OS custom ROM which is based on the AOSP (Android Open Source…