Iphone 4 randomly not working at all. Won't turn on

It will turn on to the home screen for like 15 seconds if it's plugged in but it says December 31 2010 at 4:00.It won't do anything else. Have tried to reset it. I have no clue what happened, It was just all of a sudden! How do I fix it? Any ideas?

Return it to the store. Ask to use your warranty if you have one. If you're happy with the iPhone keep it. If not, switch to an Android.