My wife's iphone 5s has been eating data like crazy! She used to use 325mb on her iphone 4 but last month and this month has seen over 5gb of use. She NEVER uses that amount of data, even after switching to her 5s. She has had her 5s since Dec 2013 and it only showed up in the past several months. My Samsung phones never use that kind of data.
I downloaded her data usage spreadsheet it has been 307mb in just minutes, then one hour later pull down another 306mb?
