The iPhone 5s was released in 2013 following its predecessor the iPhone 5. The iPhone 5s was released with a brand new feature called Touch ID. This was an innotative feature that allowed for improved security on the device, with Touch ID being used for securly locking the device using fingerprints. The iPhone 5s also came with a bigger battery for more screen on time. It also had a Dual LED, Dual Tone flash, which resulted in clearer and more true to life photos using the devices main camera.