The first-generation Apple iPhone, also known as the iPhone 1 or iPhone 2G, has the following physical dimensions:

• Height: 115 mm (4.5 inches)
• Width: 61 mm (2.4 inches)
• Depth: Approximately 11.6 mm (0.46 inches) or 7.6 mm (0.3 inches) depending on the source
• Weight: Between 113 g (4 oz) and 135 g (4.8 oz)

The device features a 3.5-inch diagonal touchscreen display

. The slight variation in reported thickness (7.6 mm vs. 11.6 mm) may be due to different measurement methods or parts of the phone being measured. The generally accepted thickness is about 11.6 mm (0.46 inches), which aligns with most detailed specifications

. Overall, the iPhone 1 was a compact and relatively lightweight smartphone for its time, with a sleek design combining glass and aluminum materials