How to get GB back from iphone 5?

I want more GB backs Bc well I want to get more games cause my old ones are boring and I don't want to pay for anymore so Please Help!

Delete things

Go back to apple care center and…

Un-install your old games to free up space. Or pay Apple an extra $100 on a new phone for more storage. NOTE: What Apple charges you $100 for, actually costs them $5.

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