The original iPhone (1st generation), released in 2007, has the following physical dimensions:

• Height: 115 mm (4.53 inches)
• Width: 61 mm (2.40 inches)
• Depth (thickness): 11.6 mm (0.46 inches)
• Weight: 135 grams (4.8 ounces)

It features a 3.5-inch display screen

. Note that there is a slight discrepancy in thickness and weight reported by different sources, with some listing the depth as 7.6 mm and weight as 113-135 grams, but the most consistent official specs indicate 11.6 mm thickness and 135 g weight