Apple's iPhone 5s can be unlocked using just your fingerprint. Here's how to set up the fingerprint scanner on an iPhone 5s and how to use Touch ID. iPhone 5s tariffs and pricing: Best Apple's iPhone 5s contract The iPhone 5s comes armed with a high-profile fingerprint scanner beneath the Home Button. Called Touch ID, the new system aims to replace your passcodes and App Store password with a fingerprint scan. As you touch the Home Button the Touch ID sensor reads your fingerprint and unlocks your iPhone. No more sliding to unlock, and no more entering four digit passcodes. Touch ID aims to make the iPhone more secure and easier to use at the
