My iPhone won't charge now I have updated to iOS 7. Help!

Telegraph.co.ukMy iPhone won't charge now I have updated to iOS 7. Help!Telegraph.co.ukA few days ago I updated my iPhone 5 to IOS 7 and now, when I plug it in to charge, it tells me that the lead is not Apple approved and may not work properly. If I don't press 'Dismiss this Message' the phone won't charge. I am using the lead and plug ...