Originally Posted by
JustMe'D Hopefully, members who still rock the iPhone 4S will chime in. Anyway, there are numerous reports floating around the web how iOS 7.1 has caused the iPhone 4 to be quite speedy. Some even compare the speed to that of iOS 6.x.x for that particular device. If it's true, I'd like to think that the iPhone 4S would positively impacted as well.
Thanks

I have Heard about battery life improving Drastically,I mean to an unbelieveable extent by commentators on imore,redmond-pie etc
other persons do tell your experiences/hunches/opinions AND also is it worth losing the Jailbreak?