My battery is draining when it's switched off at night! Why?
I have an iPhone 4s
REcently it has started to drain the battery fast, I' ve done all the obvious fixes, switching off pushes and closing apps. What confuses me is that it says it's charged at night, I switch it off overnight and it's battery has decreased to low charge when I switch it on!
I read that the battery gauge sometimes gets confused. How do I sort this out? Could this be my problem?
iPhone 4S, iOS 5.1.1