Getting rid of iPhone's other?

Most of my phone's usage is belongs to the "other" portion. I have an 8GB and the "other" takes up 4.76 GB. I haven't even updated my phones system. I deleted messages, mails, and got rid of any unnecessary things on my phone. Is there any other way to get rid of the other!

Other is the, contacts, operating system that runs the iphone. You can't delete it

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