The iPhone (commonly known as the "iPhone 2G") was Apple's first smartphone. It was announced on and released on .

The iPhone used many "off the shelf" components


When announced and released, the iPhone 2G was simply called iPhone. However, with the release of the iPhone 3G in , the original iPhone became commonly known as the "iPhone 2G." The reasoning is believed to be two-fold: it is the iPhone preceding the "3G" (and 2 is one before 3), and it only supported GSM and EDGE networks (commonly called "2G" networks).

Technical Specs

  • Battery: 1400 mA @ 3.7 V (5.18 Wh)
  • Bluetooth: 2.0 + EDR
  • Camera:
    • Rear: 1.9 MP
  • Cellular Radio:
    • Processor: PMB8876 (S-Gold 2)
    • Supported Networks:
      • EDGE
      • Quad-band GSM (850, 900, 1800, 1900 MHz)
  • Colors: Aluminum (gray)
  • CPU:
  • Dimensions: 4.5x2.4x0.5"
  • Firmware:
  • Internal Name: iPhone1,1
  • RAM: 128 MiB
  • Screen Resolution: 3.5 in diagonal, 320x480 pixels
  • Storage: 4 GB / 8 GB / 16 GB
  • Weight: 4.8 oz
  • Wi-Fi: 802.11b / 802.11g


Naturally, as a first generation device, the original iPhone is one of the more "hack-friendly" iDevices. Within two months of its release, geohot (George Hotz) "unlocked" the AT&T only phone to work on T-Mobile. A few months later, the iPhone Dev Team discovered "Pwnage," a bootrom level untethered exploit that allowed jailbreaking the device on any version of iPhone OS.