Apple Phones similar to the Apple 16GB iPhone 4S

• Touch ID fingerprint sensor
• Camera flash adjusts to ambient light temperature
• Big speed improvement over iPhone 5

• 1.2-megapixel FaceTime camera
• Dramatically better performance than iPhone 4 and 4s
• Better battery life than previous models

• Slim, light case
• Taller, roomier display
• Improved performance
• Higher-resolution front-facing camera

• Screen still feels small next to other high-end phones

• Colored plastic case may not be to everyone's liking
• Not a dramatic change from iPhone 5

• Lightning connector incompatible with older peripherals
• Features limited by some carriers

The iPhone 5s may look a lot like its predecessor. But with a faster new processor, a fingerprint sensor, and an improved camera flash, it's a serious upgrade.

The iPhone 5c offers enough new features at an attractive enough price to make it an affordable upgrade to anyone who still owns a iPhone 4 or 4s.