Can I retrieve deleted messages from iPhone?
Can I retrieve deleted messages from iPhone??
[Re-Titled by Moderator]
If you have turned on iCloud Messages then no, they are gone.
If you don't have them in a previous backup, then no, they are gone.
If they are in your backup you can restore your iPhone from that backup and retrieve them. You will lose any data added since the time/date of that backup.
Restore your iPhone, iPad, or iPod touch from a backup - Apple Support