You will need a desktop flashing tool like Odin v3.07 or v3.09 . Step-by-Step Installation Guide 1. Download the Recovery File You will typically find the recovery in two formats:
It provides tools for formatting /system , /data , and /cache partitions, which is often required before a "clean" ROM install. Prerequisites Before You Begin
It includes the necessary binaries to flash newer Android 4.4.x ROMs.
This guide is only for the international GT-I9100 variant.
It allows you to create a complete image of your entire phone system, making it easy to restore if a new ROM fails.
