if you are like me, i like having the latest updates on my systems. when i first bought a new phone from att from samsung infuse 4g, i checked the build version and it said: froyo

froyo is version 2.2 and when you go to android.com you see that the new release is 3.0 so i wondered how do you upgrade? well, it turns out you cant upgrade from 2.2 to 3.x because 3.x is a tablet specific operating system not for mobile phones.