And you need to root your android phone at first, or the app can’t detect your phone successfully. And stop saving new data to your phone, or the deleted data will be covered.
Step1: Connect android phone to pc and start the problem
At first, connect your phone to computer via USB cable, then start the app on your computer. Make sure your phone has been linked to computer correctly, or this data recovery problem couldn’t detect it successfully.
Step2: Enable USB Debugging
You need to enable USB debugging on your device
Step3: Preview and Recover Contacts.