Originally Posted by Hogrider
It does look like they increased battery life with ios5.1 and my iphone. 9.5 hours off the charger with an hour of useage from some text messaging and a wrong number call from someone in jail
and my phone is still at 89%
If I left my Samsung Vibrant phone at home and didn't use it then it would last maybe a day and a half in standby it never lasted 2 days.
The new update has helped my iPhone as well. I streamed Internet radio for 45 minutes and I'm only down to 99%. More tests will prove true/false but if true, wow.