If you've lost or deleted some important contacts on your iPhone, and you think you can restore deleted iPhone contacts from iCloud backup files, yet you ought to know this method will delete everything on your iOS device currently. If you have some important data , I think you would be wise to attempt another way. iFoneMate iPhone data recovery will scan your iCloud backup files and allow you to preview required contacts. And you simply need to pick the required ones and recover them from iCloud backup files.
Just so the steps as below
Step 1: Download iFoneMate iPhone data recovery software and install it on your computer.
Running the software on your pc, then you will get the interface to guide you to choose among “Recover from iOS devices” , “Recover from iTunes backup files” “Recover from iCloud backup files”
Step 2: Log in the iCloud and download the backup document
When you've loged in with Apple Key and password, it will detect iCloud backup files in your account automatically. Then select the one you need to get contacts from and click the button under the menu of State to download it. In the pop-up window, you can choose just to download contacts. This will save you time to download the iCloud backup files.
Step 3: Preview and recover contacts from iCloud
When the scanning is completed, you can preview the detail information on your iClouds backup files. Select the contacts you need. Click “Recover to PC” to extract the deleted/lost contacts from iCloud backup files and save the recovered contacts on your computer.