Understanding the Internals of iOS Devices - Practical Mobile Forensics - page 45

7. Connect the iPhone to the Mac workstation using a USB cable, and run the
ideviceinfo command with the -s option:

$ ./ideviceinfo -s

Output of the ideviceinfo command displays the iPhone identifier, internal
name, and the iOS version as shown:

BuildVersion: 9B206
DeviceClass: iPhone
DeviceName: iPhone4
HardwareModel: N90AP
ProductVersion: 5.1.1
ProductionSOC: true
ProtocolVersion: 2
TelephonyCapability: true
UniqueChipID: 1937316564364
WiFiAddress: 58:1f:aa:22:d1:0a

Every release of the iPhone comes with improved or newly added features. The following
tables show the specifications and features of legacy and current iPhone models:

Specification iPhone iPhone 3G iPhone 3GS

System on chip Samsung Chip Samsung Chip Samsung Chip

620 MHz Samsung 32-bit RISC
ARM

CPU 620 MHz Samsung 32-bit RISC ARM 833 MHz ARM Cortex-A8

Onboard RAM 128 MB 128 MB 256 MB

Screen size (in
inches)

3.5 3.5 3.5

Resolution 480*320 480*320 480*320

Wi-Fi, Bluetooth 2.0, GSM/UMTS/
HSDPA, GPS

Wi-Fi, Bluetooth 2.1, GSM, UMTS/
HSDPA, GPS

Connectivity Wi-Fi, Bluetooth 2.0, GSM