Hello,
call me crazy but I bought a pack of bumpers and I'm currently using the clear one and battery has dramatically increased. I do say this compared to what I used to get on iOS5.01 on my 4s.
fairly heavy web browsing and media.
---
I am here: http://maps.google.com/maps?ll=53.845612,-1.510786
call me crazy but I bought a pack of bumpers and I'm currently using the clear one and battery has dramatically increased. I do say this compared to what I used to get on iOS5.01 on my 4s.

fairly heavy web browsing and media.
---
I am here: http://maps.google.com/maps?ll=53.845612,-1.510786