You can only recover deleted SMS messages if you have previously set up an application to save them or back them up somewhere else. If you have not done this, then there is no way to retrieve those deleted messages.
For the future, I recommend a free app called SMS Backup+. It syncs all messages to your Gmail account in an SMS folder. It works super well.
Recover lost or deleted SMS, contacts, photos, videos, notes and more for your iPhone with ease.
1.Directly Recover from Your iOS Database
2.Retrieve Vital Data from iTunes Backup Files
3.Recover up to 12 Files on Your iOS Devices
4.Find the Deleted Files You're Looking for Easily
5.User Friendly: Preview and Selective Recovery
How to Retrieve Deleted Text Messages from iPhone
Here is the way you can follow to retrieve deleted text messages on iPhone:
1. Connect the iPhone to the computer with a USB cable.
2. Open iTunes.
3. If you have a new or erased iPhone, iTunes will prompt you to restore from backup.
4. Otherwise, Control-click on your iPhone under DEVICES in the left menu.
5. Select Restore From Backup...
6. Choose the backup you wish to sync and click the Restore button.
Do not a backup? Check " recover iPhone text messages without backup " for more info.
If have synced iPhone with iTunes before? Check " recover deleted iPhone text messages from backup " for more details.
It is very easy to recover deleted text messages now, no matter your messages are deleted on your iPhone or Android devices, you can recover them with some third party software like iPhone SMS recovery and Android Data Recovery.
For iOS devices, No matter whether you have backed up the SMS messages to iTunes or not , iPhone Data recovery can help you recover them directly from your device directly or extract them from the iTunes backup files.
Things are very easy now. Now matter whether you have backed up your text messages, you can recover them. To carry out this recovery process, you can try iOrgsoft Data Recovery, which is able to recover various files like images, documents, videos, audios, etc. with this progam, you can easily recover deleted text messages from your phone SD card , besides, it allows you to preview the recoverable files.
1. Connect your phone to computer then run iOrgsoft data recovery
2. Select the drive to scan
3. Recover deleted messages
Read more on: http://www.iorgsoft.com/