◆ Compact Yet Powerful – Classic 4-inch Retina Display with a premium aluminum body (similar to iPhone 5s) ◆ A9 Chip with M9 Coprocessor – Same processor as the iPhone 6s, making it twice as fast as iPhone 5s ◆ 12MP Rear Camera with 4K Video – First 4-inch iPhone with 4K recording, Live Photos, and improved image processing ◆ Retina Flash for Selfies – Uses display flash for better front-camera selfies (not available on iPhone 5s) ◆ Apple Pay with NFC – First small iPhone to support contactless payments via Apple Pay ◆ Touch ID Fingerprint Sensor – Secure unlocking and online payments with Touch ID ◆ Improved Battery Life – Lasts longer than iPhone 5s, with up to 13 hours internet use on LTE ◆ Faster LTE & Wi-Fi – Supports 802.11ac Wi-Fi (3x faster than iPhone 5s) and advanced LTE bands ◆ Hey Siri (Always-On) – No need to press the home button; just say “Hey Siri” anytime