The iPod Nano uses flash memory and has a 2 inch QVGA display. It also boasts of the trademark Apple ‘click wheel’, which was introduced in the first version of the iPod. It has been accredited as becoming the highest selling portable music player in the history of consumer electronics. It works with the iTunes application based on Mac and Windows OS. Some whiz-kids have been successful in ‘jailbreaking’ the iPod freeware which has allowed for successful running of third party applications on the iPod Nano as well. Linux based applications run on software supplied by third parties.

The Nano has many preloaded games and the third generation of iPods has also allowed for the installation of games from the iTunes Shoppe’. Most of these games are supplied by Apple itself, and the users can purchase them. Since the iPod uses flash memory, it becomes insulated from the chances of memory failure due to the movement of hard-disk parts, but this also renders the memory capacity of the iPod Nano practically unchangeable. The battery is also difficult to replace as compared to the iPod classic, since the battery in the Nano is soldered to the main circuit board. The Nano has been rolled out in four generations:

Gen 1:

Released in 2 and 4 GB versions with the 1 GB version coming later on, the New Nano was a replacement of the iPod Mini, and featured a color screen for picture viewing.
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