My friend and I are unable to text eachother, we can call, email, facebook message, but not text. She has and Iphone 4, I have and Iphone 5s. We have both double checked to see if eachother was blocked, neither of us was. We have both done a soft reboot, checked to see if imessaging was on, it is, deleted our conversations, deleted the contact info and rentered it. In the group texts that we both belong to, we get everyone elses texts, but eachothers. All of my texts to her say delivered. Nothing has worked..... please help. This is getting really frustrating!!