I'm actually amazed
I meant like some of these things I was using on wifi. Then the rest while I was on 3G3G? C'mon.
It all depends how you use it. Try to stay on wifi as much as possible. Location services heavily drains battery. That's maybe the biggest thing that has saved my battery is turning it off.That's impressive battery life there! Hope it remain this good for as long as possible!
Yes, I have location services off (auto location tweak), mail to manual, brightness to 40%, but I'm also jailbroken with about 25+ tweaks, and I'm thoroughly impressed with my 4S. I may not be using the phone to its full capabilities by having stuff off or set to manual, but I'm getting the full capabilities of the batteryIt all depends how you use it. Try to stay on wifi as much as possible. Location services heavily drains battery. That's maybe the biggest thing that has saved my battery is turning it off.
what brightness setting?
Not scientific but under pretty similar use the iPhone 4 had the best battery life, followed by 5 with the 4s being the worst.
I'm actually getting record battery life on my 4S as well (5.1.1). My original 4S was from last October, so one of the earlier production models. I recently got it replaced at Apple and the new one has been amazing.