The original iPhone (iPhone 1) has the following size specifications:
- Height: 115 mm (4.53 inches)
- Width: 61 mm (2.40 inches)
- Depth (thickness): 11.6 mm (0.46 inches)
- Weight: 135 grams (4.76 ounces)
- Display size: 3.5 inches (diagonal)
This model was considered relatively big in 2007 but is small compared to modern smartphones. It features a 3.5-inch touchscreen with a resolution of 320x480 pixels and a thickness of 11.6 mm, which is quite thick compared to today's standards.