Learn How to Recover Deleted Contacts from OPPO R11

Before finding ways to restore or find back your contacts, you'd better to have a look at your Oppo device, because your contacts might not be deleted. So you need to make sure all your contats are being displayed.

1. Find "Contacts" and open it on your Android phone.
2. Tap on the menu button on the top right corner. Then choose "Settings" > "Contacts to Display".
3. Select "All Contacts". Now, you can return and check whether you got your contacts back or not.

If it is back, that means your contacts is not deleted but hidden.