If you have a dog that’s smart enough to have a phone, it would be best to have it be the new iPhone. The fingerprint sensor works for paws.

You’ll have to be doggedly clever to unlock Mike Linden’s new iPhone 5S.

Linden, 23, was fooling around with the fingerprint sensor on the iPhone he purchased Friday morning. He found it dull locking and unlocking it with his own finger, so he decided to find out what would happen if he programmed the front right paw of his pet Chihuahua, Hurley, into the gadget.