T-Mobile offers the Apple iPhone 5s 16GB Smartphone for T-Mobile
in Silver (pictured), Space Gray, or Gold, bundled with a SIM Starter Kit
, for $20 up front
plus $16.67 per month for 24 months
via coupon code "SAVE100". (That's a total of $400.08, and $100 off.) It features an Apple A7 processor, 4" 1136x640 Retina display, 8-megapixel iSight camera with 5-element lens with f/2.2 aperture, True Tone flash, and 1080p video capture with 30 fps video shooting (120 fps shooting at 720p slow motion playback), 1.2-megapixel FaceTime HD camera, Touch ID fingerprint reader built into the home button, M7 motion coprocessor, 802.11n wireless, Bluetooth 4.0, and dual microphones. Deal ends May 31.