My home button isn't working.

yes. Because this question is asked and answered multiple times daily, forum etiquette dictates that you search for answers before posting yet another redundant question.

Type "home button not working" in the search box above, or simply look here ----------> at the More Like This box.

Had the same problem here bud. All I did was just take the phone to an apple store and handed me out a brand new one, no questions asked. Just make sure you are still under warranty, and that your device is backed up before heading out. Good luck...