The Home button on your iPhone 5s provides two main functions; it serves as a way to authenticate Touch ID and more important, as a way for you to return to your Home screen, exit apps, asking multitasking, and more. If you can no longer click your Home button, or pressing it does nothing, it's possible the cable itself, or a contact on it, needs to be replaced. The good news is that it'll cost you far less than a new iPhone if you're out of warranty!
Full story from the iMore Blog...
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