A Apple decidiu acabar com as especulações à volta das características do iPhone publicando-as:

- Requisitos do sistema:
- Mac or PC
- iTunes 7
- Internet access is required, and a broadband connection is recommended
- Mac: Mac with a USB 2.0 port, Mac OS X 10.4.8 or later
- PC: Windows PC with a USB 2.0 port and Windows XP Home or Professional (Service Pack 2)

- Controlos externos:
- Volume Up / Down
- Ringer / Silent
- Power / Lock
- Sleep / Wake
- Menu Button

- Dimensões:
- 4.5 x 2.4 x 0.46 inches / 115 x 61 x 11.6mm

- Peso:
- 4.8 ounces / 135 grams

- Input Method - Multi-touch

- Operating System - OS X

- Ecrã - 3.5 inches

- Resolução do ecrã - 320 x 480 at 160 ppi

- Armazenamento - 4GB or 8GB

- GSM - Quad-band (MHz: 850, 900, 1800, 1900)

- Wireless data
- Wi-Fi (802.11b/g) + EDGE + Bluetooth 2.0

- Câmara - 2.0 megapixels

- Bateria
- Lithium
- Up to 5 hours - Talk / Video / Browsing
- Up to 16 hours - Audio playback
(Battery life varies by use)

- Conectores:
- 30 pin iPod connector
- 3.5mm jack includes audio and mic support
- SIM tray
- Built-in speaker
- Built-in microphone