I'm using an iPhone 5S bought almost two years ago, with no battery issues whatsoever (plug in overnight, use all day, don't worry about battery unless an app g

I'm using an iPhone 5S bought almost two years ago, with no battery issues whatsoever (plug in overnight, use all day, don't worry about battery unless an app goes haywire and the phone is running hot for a few hours). My wife is still using her 4S - she also has no issues with the battery. #counter-anecdotes