To delete a Contact, to the following:

1. Click on the Contacts in the main navigation and then choose Contacts from the padding menu. A screen with Contacts will appear.

2. Select the Contact you want to delete by checking the box besides, and then click 'Delete' button.

You may also choose to open the User data you want to delete by clicking on its title and then clicking 'Delete' button.

Note that you can always restore deleted Contacts.