The first two part in this article here will guide you how to recover deleted text message from iTunes or iCloud backup if you have saved one before. But you have to Make Sure that you deleted text message after the backup date. The Part 3 and Part 4 will show you how to retrieve deleted text messages by using a third party software which can help you recover deleted text message from iCloud backup or iTunes backup even you deleted the message before you make the backup.https://www.fonedog.com/ios-data-recovery/retrieve-deleted-messages-iCloud.html

1. How Do You Retrieve Accidentally
Deleted Text Messages from iPhone 7 or
iCloud Backup
There are times that you will need your messages that you have deleted
already, or maybe you accidentally deleted a message that means something
to you. Text messages keep you on track with everything, but text messages
are also prone from being missed, either because of updating your iOS, by
resetting your phone, mistaken deletion or what so ever. Retrieving those
deleted text messages from iPhone may be not easy, but it is not impossible.
If you have saved a backup through iTunes or iCloud, that may be very
helpful as the deleted messages may store on the backup. Otherwise, you
will need some profession tool to help you retrieve those deleted messages.
And the trick of those professional tools is that those deleted messages are
not exactly deleted in the disk, and they are just marked as unuse block.
Therefore, if you have rewrite those block data, the messages can be
recovered from your iPhone directly or from the iTunes backup, iCloud
backup.
Part 1: Recover Deleted Text Messages from iTunes Backup
Step 1: Connect Your iPhone to Your Computer
Step 2: Launch iTunes and Prevent Automatically Syncing

2. Step 3: Restore Your Device from a Backup.
Step 4: Download Content to Your iPhone.
Part 2: Retrieve Deleted Text Messages by Using iCloud
Step 1: Erase Your iPhone

3. Step 2: Restore from iCloud Backup.
Step 3: Download Backup Content.
Part 3: Use FoneDog to Get Deleted Text Messages Back
The two solution discussed above will only work if you have
backup your device from time to time. Note that, restoring your account will
only restore what you have back up. If you’ve back up your phone yesterday, you cannot
restore the new things you have today. That’s why regular back up is recommended.
Here are more things you can do.

4. Step 1: Download and Install FoneDog toolkit - iOS Data Recovery
Step 2: Choose "Data Recovery"
Step 3: Select Files to Recover

5. Part 4: Use FoneDog and iCloud to Restore Deleted Text Messages
Step 1: Download and Install FoneDogToolkit
Step 2: Preview the iCloud Backup files
Step 3: Select, Scan and Preview the Files
Step 4: Recover Deleted Text Messages to Your Computer
When step 4 is completed, you can now start previewing you messages
and choose what to recover from what to dispose of. You can plug in your
device into your computer via USB cable and choose “Recover” it is
much recommended since it is more convenient.
Video Guide: How to Retrieve Deleted Text Messages on iPhone

6. Hope it helps you when you meet the problem of retrieving text messages
from iPhone and iCloud, good luck!!!