In the future people will also be able to download games, film trailers and music too.
The new phone network is called 3G - which stands for third generation.
Line rental on 3G costs a minimum of £60 a month, although people can also choose to go for pay as you go instead.
And that's when the shops have got some to sell you, because at the moment anyone who wants one has to wait a month before it even gets to the shop.
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