Restoring Imessages from a backup is a process that can be completed on both Mac and iOS devices. The backup can be either an iCloudbackup or a local backup.
To restore Imessages from a backup on a Mac, connect the device to the computer and open iTunes. Select the device in the iTunes sidebar, and then click the “Restore Backup” button.
To restore Imessages from a backup on an iOS device, open the Settings app and tap “General” “Restore.” Select …
