iPhone 5s specifications:
- 4-inch (diagonal) Retina display with 1136-by-640-pixel resolution
- Maximum OS: Latest available
- iTunes Version iTunes: 11.1 or later
- Weight: 3.95 ounces
- Processor Speed: 1.3 GHz
- Built-in RAM: 1 GB
- Cameras: 8.0 megapixels (rear), 1.2 megapixels (front)
- Connection: Lightning connector