IPhone clicks don't work and it turns itself on

My iPhone 4S keyboard clicks don't work and neither does the lock click I checked the settings and everything is on and is right I also don't have my phone on silent and whenever I click the up button on the side of my phone the "ringer" shows up but the volume won't go up. Also every time I turn my phone off it just turns itself back on again right away!

Hi, looks its hardware problem, so you can contact to your care center for this, so that he can give you the solution.
It would be your profit if your iphone is under warranty.

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