Is it possible to buy gigabytes for the iPhone?

I bought the iPhone 4 8 gigabytes and I downloaded a lot of songs. I'm afraid I'm gonna run out soon. Should I delete some? Or is there a way I can get more gigabytes?

If you are talking about buying extra GB to your phone memory then that would no happen unless you buy a new phone, what you can do i connect to iCloud where they give you i think 5 free space of GB and if its not enough then you can buy more. That way you save your things on the cloud: P and you can view them whenever you want.
hope that help: D

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