I was searching for a 3-part firmware for si but couldnt find anywhere, so I extracted one and thought to share it with you guys if anyone. The latest official Android for Samsung Galaxy Mini GT-S was released by connectivity are working fine using this custom built firmware. Download Samsung Galaxy Mini Plus GT-SI Original Firmware. This download package contains original official Gingerbread (). Download the official Samsung GT-S Stock Firmware (Flash File) for your Samsung Smartphone. We also provide all other Samsung Stock Firmware for. Download the latest firmware for GALAXY mini with model code GT-SI. Check out our free download or super fast premium options.