Here are quick steps to upgrade your Samsung Galaxy Mini S5570 from Android 2.2.1 (Froyo) to Android 2.3.6 (Gingerbread). Also after the upgrading, you can start rooting your phone with the universal root for Gingerbread. I have personally tested this upgrade method and files with a Samsung Galaxy Mini S5570 (Singapore Set).
Prerequisites
1. Install the Samsung USB d…
