The iPhone was first released in the USA June 29th 2007.

There are currently 4 main types of iPhone: the iPhone, iPhone 3G, iPhone 3Gs and the new iPhone 4.

Contents

iPhone 4

The iPhone 4, the fourth and most recent version of the iPhone series was introduced at the WWDC on June 7th, 2010.

The phone started shipping on June 24th, 2010.

The iPhone 4′s features includes the Apple A4 processor, a higher definition 960×640 326 ppi ‘retina’ display, a higher spec 5 megapixel back camera with LED flash, a VGA front-facing camera and a gyroscope which provides greater motion sensitivity.

It ships with the newest iOS version: 4.0.

The iPhone 4 is available in two sizes:

  • 16GB
  • 32GB

As well as two colours:

  • Black
  • White

iPhone 3GS

The iPhone 3GS was first announced in June 2009 by Apple for release shortly afterwards in June/July/August 2009.

The iPhone 3GS is available in two sizes:

  • 16GB
  • 32GB

As well as two colours:

  • Black
  • White

The iPhone 3GS has an on-board compass allowing for advanced navigation, as well as improved performance and camera.

iPhone 3G

The iPhone 3G was  released on the July 11th 2008.

It is still available in one size:

  • 8GB
  • 16GB (Discontinued)

With one colour:

  • Black

iPhone

The iPhone was originally launched in two sizes: 4GB and 8GB, though the 4GB model was later discontinued, and a 16GB was launched.

  • 4GB (Discontinued)
  • 8GB (Discontinued)
  • 16GB (Discontinued)

Colour:

  • Black

Related posts:

  1. Types of Mobile Phones

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