This simple feature allows you to restore your contacts from the last 30 days.
If you start deleting contacts and make a mistake, don’t worry the information isn’t lost forever. Instead, it can be retrieved with the restore featured nestled in the Google Contacts menu. Here’s where to find it:
From within the Contacts app
Click the More button
Select the Restore Contacts… option
This will pop up a dialogue box enabling you to restore contacts from the past 30 days.