My iPhone 4 won't let me type messages?

My IPhone 4 often doesn't let me type message or reply to them. I can type everywhere else- notes, Facebook, twitter-but when I try to type a message it doesn't let me click in the message box. It fixes itself if I turn it off and then on again, but this gets a little annoying after a while. Any suggestions?

Try resetting your phone. Back it up first.

Or take your phone in for a test? Like a check up?

  • Why won't my iphone 4 let me look at my messages? Its gone on for 2 days now, i can look at my texts for a bit but then after a while when i click on my messages the page just freezes. I have tried turning my phone off completely by holding my home button and power button and after that it usually works for about 10 minutes before i have to redo it.
  • Why won't my iPhone 4s let me send picture messages? It gives me the option to send pictures and will let me choose a photo but when i press sent the little bar at the top fills half way then stops and a little red exclamation mark comes up next to the picture saying not delivered. Is there something wrong with the phone or can a change it my self in the settings?
  • What do i do when my iPhone 4 won't let me send i message or text messages? I was spamming my friend with emoji emotions when all the sudden my phone freezes until i pressed the home button. But i tried to go back to message and it won't let me. It tells me i hot 3 messges from my friend but i can't open them.
  • My Iphone5 won't let me send normal text messages? (tmobile)? I just got the Iphone 5 in tmobile. And I can send imessages, but I can't send text messages. I can receive them, but it won't let me reply. It says "not delivered". Help. I already looked at settings and it says that the mms or what not is on, so I'm not really sure of the problem.