I just bought a new iPhone running iOS 7. I plugged it into my laptop to get my iTunes and pictures, etc put onto it. And it gave me the option to restore from an iPod backup that is on iOS 6. So I did that, all my music, photos, games, apps are all there. However, I don't have the option to send messages other than iMessage ones which for some reason only work with WiFi available. Also, I only have a few contacts that I had saved on my iPod on my phone. Is there a way to fix this without going to the store and doing a factory reset?