1. Find "Restore from iCloud Backup"
You can restore content from an iCloud backup when your phone is activated for the first time and after a factory reset. When this screen is displayed, your phone is ready to restore content from an iCloud backup.
See how to factory reset your phone.
Press Restore from iCloud Backup.
2. Restore content from iCloud backup
Press the field next to "Apple ID" and key in the username for your Apple ID.
Press the field next to "Password" and key in the password for your Apple ID.
Press Next.
Press Agree.
Press the required backup and your phone restores the content of the selected backup. Subsequently, follow the instructions on the screen to set up your phone and prepare it for use.