Method 1: Retrieve iPhone lost call history from iTunes Backup
To recover lost iPhone files from iTunes, firstly, download and run the latest iTunes on your computer, and plug your iPhone to PC to make iTunes detect your iPhone. Then right-click iPhone icon and select “Restore from backup”. Last, click “restore” to finish the whole easy data recovery process.
Method 2: Recover iPhone Files from iCloud Backup
Input iCloud on your web and login; click any data that you want to restore from iCloud. Take contact for instance, after getting into the contact window, click setting icon on the lower left bottom and click “Export vCard”. Next, save it on your hard disk drive. Finally, you just need to send this vcf file via email and open it on your iPhone to get them back immediately.