How can I get a text message back that I deleted by accident?
iPhone 7
You can restore from a back up that contains the message. Note that restoring your phone will overwrite whatever is on it now.
Restore your iPhone, iPad, or iPod touch from a backup - Apple Support
You have one of two options. iTunes or iCloud. Have you ever plugged your phone into a computer and baked it up? You can also check your iCloud settings and check your backup to see when your most recent backup was. In order to restore the backups you have to either plug the phone back into the computer and choose to restore a backup that contains the message or erase your phone once you've located the backup in iCloud and restore one of those backups to it.
You have to restore a backup from when you had the message
How would I go about doing that?
How can I get a deleted message back?
