iPhone 4S Serial Number Question
So, I had my iphone color changed from white to blue... But dropped it and had the person place my original white screen back on so I can take it to Apple since my earpiece and speaker don't work well since dropping it... But for some reason they are telling me that the serial number in Settings>>>General>>>About>>>Serial Number and the serial number inside of the iphone don't match. Not sure what the guy did or what piece of mine he might of switched whether on purpose or by mistake but how can I know where the other serial number is located? Need help please...