Unfortunately, it looks like you might not even get 4.2 or 4.3 if you're on a carrier branded phone... I don't think AT&T has even pushed out 4.2 and sense 5 to devices. I'm running a 4.2 and sense 5 custom ROM on mine and it makes me really sad that not everyone is gonna get it; I think it's a huge improvement over 4.1 and sense 4+, especially in terms of battery life.