Billing
Received a email that there is a problem with billing
iPhone 4, iOS 7
It's likely to be a phishing attempt to get your account id and password - does it have a link in the email to click on (don't click on it), and are you able to copy the link and see the address that it would take you to ?
If it is a phishing attempt then you can forward it to Apple (we are fellow users here on these forums) :