If you want to recover deleted sms from iPhone,you can use a professional iPhone iPad data recovery.
I have ever use this iPhone data recovery,which can help me scan and restore lost or deleted sms on iPhone directly
You can learn more in this use guide about recover text messages from iPhone.

 

If you lost text messages on your iPhone, here are some tips for you to get them back
Firstly, open iTunes to check if you backup them to the iTunes before, if not, you can use this iPhone data recovery to restore the lost SMS
iPhone data recovery is a professional program that provides three ways to recover SMS
how to restore deleted photos from iPhone 5s
1. Support recover text messages from iPhone 5S, 5C, 4, 4S and the latest iPhone 6 and 6 plus
2. Support to recover lost data from iPad, and iPod touch as well.
3. recover SMS from iPhone directly, recover form itunes backup and from iCloud backup

how to restore deleted contacts from iPhone 5s
step 1. run the iphone sms recovery, select recover from ios device mode to proceed
Step 2.scan the device for the lost SMS
Step 3.preview and recover lost SMS
More related tips
iPhone data recovery can aslo recover other files such as photos, contacts, notes, call log, etc. See how to restore deleted messages from iPhone 5s

 

This Free iPhone data recovery can help you restore all lost data from iPhone due to iOS update

Before update your ios devices,please backup iPhone data to computer,avoiding erase all contnets during iOS upgrading.

First of all, you need to backup data from iPhone to iTunes/iCloud, or transfer data from iPhone to PC via a 3rd party backup program like iPhone Data Transfer. In any case, backup is the best choice to prevent data losing from your device.

Once lost data after ios 8,ios 9 update, please do not worry for your lost iPhone data during iOS 9 upgrade. The iOS 9 iPhone Data Recovery is your last but the most solid line of defense. The program provides three simple yet effective way for users to recover lost or deleted messages, photos, contacts, videos and more from your iPhone, iPad, or iPod touch, even after iOS 9 upgrade.Read this use guide about how to recover iPhone data after iOS 9 update



Read more:

How to transfer data from old iPhone to iPhone 6

How to recover lost contacts from iPhone after iOS 9 update

How to recover lost messages from iPhone after iOS 9 update

How to Repair Operating System for iPhone

 

Broken iPhone, iPhone in recovery mode status, broken iPhone screen, iPhone system crash, etc. will make your iPhone comes to iPhone data lost/deleted.
In such cases, you must be urgent to fix the issue. Now, what you need is a third-party program to help you, that is iPhone Data Recovery.
How to Recover Lost/deleted Data from iPhone
How to Recover deleted Videos from iPhone
With the help of this powerful program, you can retrieve most of the files from iTunes or iCloud backup.(Note: You should keep the good habit to backup iPhone data via iTunes/iCloud) Also, you can directly scan your iPhone and recover/extract them to your computer.
How to Regain iPhone Safari Bookmarks
How to Retrieve deleted data from iPhone

 

iPhone Data Recovery can help your retrieve deleted text messages on iPhone. Here is one of the method.
Restore Deleted Text Messages from iCloud Backups
Step 1: Launch the program and sign in iCloud

Step 2: Download and extract iCloud backups

Step 3: Scan and preview and recover contacts on computer

 

There is a Data Recovery for iPhone can help you, which enables you to recover deleted or lost data files from iPhone directly.

See more:

How to Recover iPhone Messages after iOS 9 Upgrade
How to Fix Frozen iPhone during iOS 9 Update

 

I think you can try to use iPhone Data Recovery. It can scan your iPhone deeply to find the deleted and lost messages for you. You can preview them before recovering. Learn how to recover deleted text messages on iPhone. Besides SMS, you can also recover deleted photos, videos, contacts, call history, notes, reminders, calendars, voice memos, voicemail, safari bookmarks, Whatsapp messages and other deleted and lost data for you.