Human: How to recover viber messages on iphone or ipad? Assistant: 
Recover Viber Messages on iPhone or iPad
1. Open Settings, and tap your name at the top.
2. Tap iCloud, and slide iCloud Drive to On.
3. Slide Viber to On.
4. Open the Viber app.
5. Tap More on the bottom-right.
6. Tap Settings, select Account, and tap Viber Backup.
7. Tap Back up now.
8. Delete and re-install Viber.
9. Open Viber, sign in with the same number, and tap Restore now.