To
recover iPhone deleted text messages is not that difficult:
If you sync your iPhone with iTunes every once in a while, there’s a strong chance that the last backup that iTunes took of your iPhone has those special messages that you want back. In case you regularly backup your iPhone with iTunes, you probably recover the deleted iPhone messages. However, if you have no backup of the messages, you can also recover them with the help of iPhone data recovery. You can have a try!
Watch video demo
http://www.youtube.com/watch?v=QHd8gwaxEVU