Actually, there's a way to restore deleted SMS directly from iPhone 5/5S/5C/4S/4/3GS.
If you've ever synced your iPhone with iTunes before, there is also another way: to recover from iTunes backup for all iPhones including iPhone 5S/5/5C and iphone4S. You just need the help from an iPhone text message recovery
Part 1: Directly recover deleted messages from iPhone 5/5S/5C/4S/4/3GS
1:Connect your iPhone to the computer
At first, please connect your iPhone to the computer and run the program after installing it.
2:Enter your iPhone's system and scan it
(iPhone 5s/5c/4S users can skip this step)
After downloading the plug-in, you need to get into the device's scanning mode before scanning. You can follow the steps below:
1)Hold your iPhone and click the "Start" button.
2)Pressing the "Power" and "Home" buttons simultaneously for 10 seconds.
3)After 10 seconds, release the "Power" button, but keep holding "Home" for another 15 seconds.
3: Preview and recover iPhone messages
When the scan is completed, choose "Messages" to preview the detailed content. Mark those you want and click "Recover" to save them on your compute with one click.
Part 2: Scan and extract iTunes backup to recover iPhone SMS
1: Scan your iTunes backup for iPhone 5/5S/5C/4S/4/3GS
After installing and running the program, move to "Recover from iTunes Backup File" and you'll get the interface as follows. All your iTunes backup files have been found and displayed. Choose the one for your iPhone and click the"Start Scan" button.
2: Preview and recover iPhone SMS
Only need to check the "Messages" option and hit the "Recover" to save all the messages on your computer.
o backup well
In order to save your important SMS messages, immediate backup is very useful and important. Please remember to backup them on your computer .
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Hope that helps!!!