Learn how to use favorites and groups contact on your Sony Xperia Z3 Compact. You can mark contacts as favorites so that you can get quick access to them from the Contact application. You can also assign contacts to groups, to get quicker access to a group of contacts from within the Contact application.

To mark or unmark a contact as a favorite

• From the Home screen, tap Apps icon, then tap Contacts icon.
• Tap the contact you want to add to or remove from your favorites.
• Tap Star icon.

To view your favorite contacts.

• From the Home screen, tap Apps icon, then tap Contacts icon.
• Tap Star icon.

To assign a contact to a group

• In the Contacts application, tap the contact that you want to assign to a group.
• Tap Edit contact icon, then tap the bar directly under Groups.
• Mark the checkboxes for the groups you want to add the contact to.
• Tap Done.

Note: Refer here for more information on Sony Xperia Z3 Compact.