- Connect your iOS device to your Mac and launch iTunes.
- Look for the tiny little icon that looks like an iPhone next to the little drop-down menu in the iTunes menus and tabs - area. Click the iPhone icon.
- On left, click on Apps under settings.
- Scroll down to File sharing section.
- Under Apps tab, select Authenticator
- Drag the “BackUp” folder into Authenticator Documents section. (Note: Folder name should be “BackUp” under which - “authplus.db” will be there.)
- Now go to Settings->Advanced.
- Click on Restore from Backup button.