Just with a couple of clicks recover deleted contacts back to your phone; it can restore contacts deleted by accident even before installing the app. The earlier you use this app, the best results you get.
Because of how phone’s memory works, the app doesn’t guarantee a 100% result. But it will its best by scanning for most recent deleted contacts and list them to you.

USAGE:
While you’re in the main screen select “Recover contacts” and give the necessary permission to scan the storage. After the scan finishes you will get a list with all available numbers. Then you can select the ones you wish to recover.