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

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

Each model also comes in with different amounts of installed memory.

Contents

• iPhone 3GS
• iPhone 3G
• iPhone

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