The WWDC 2017 developer conference is slated to kickoff on June 5th in San Jose, California. There, Apple will almost certainly deliver a keynote to its developers and viewers around the world. As we know,when the new iOS version release in the early days,it is unstable, and it may have lots of bugs.It mean that it is possible to lead to data loss under the unexpected situations during or after iOS 11. You may suffer from the situation that lost Contacts after updating to iOS 11.
One of the best iPhone Contacts recovery called iRefone can do you a favor,help to recover lost Contacts on iPhone after iOS 11 update,as well as iOS 10/iOS 9 update. It also supports to recover other data including contacts, SMS, photos, video, call logs, calendars, notes, apps and more. iRefone works well for restoring lost iPhone data under any circumstances, such as,iOS update,iOS jailbreak, deleted mistaken, factory reset restore, device lost/stolen, etc. All iOS devices are applicable to this tool insist of iPhone 7, iPhone 6S/6,iPhone 5S/5C/5, iPhone 4S/4, iPad Pro, iPad Air, iPad Mini, and so forth.
Part 1: Recover Lost Contacts after Updating to iOS 11 Directly
Step 1: Run iRefone and connect your iPhone with computer. Then the software will detect your device automatically. Click “Start” on the interface.
Step 2: Then you will enter the interface to ask you choose the data you need to scan. Click on Contacts icon to start the process of scanning and analysis. The scanning time depends on the database of your iPad.
Step 3: When the scanning is finished, all of the Contacts on your iPhone will be displayed in the interface. These lost contacts will be marked in orange. Preview these lost contacts and choose some contacts you need and click “Recover to Device” to transfer them directly back to your iPhone.
Part 2: Retrieve Lost Contacts after Upgrade iOS 11 from iTunes Backup
Step 1: Launch iRefone and choose “Recover from iTunes Backup” as the recovery mode. All of the iTunes backup files which you have ever synced with iTunes on this computer will be automatically found and listed in the software. Click “Select” or double click the backup you need to access the data interface.
Step 2: Choose and click the icon of contacts to start the scanning.
Step 3: When the scanning is finished, preview the contacts in your iTunes backup and pick out these contacts you need to save on your computer. Click “Recover to PC” to choose the store folder.
Part 3: Retrieve Lost Contacts after Upgrade iOS 11 from iCloud Backup
Step 1: Choose “Recover from iCloud Backup” to recover data. Sign in your iCloud account with Apple ID and passcode.
Step 2: Choose the data you want to recover in your iCloud. This process will reduce the time of downloading. The less data you choose, the less time wait for the downloading.
Step 3: When the downloading process is stopped, you can click the icon of the contacts you need in your iCloud backup file.
Step 4: You could preview all of your contacts in iCloud backup. Select these contacts you need to backup them on your computer.