the battery when it was working this week showed full charge but unfortunately I let the phone battery drain until the phone shut down. i plugged it in to charge and it buzzes every 6 seconds for about a second and that is it. no other sounds or pictures on screen of battery being charged,
Letting the battery drain shouldn't cause this kind of problem. Have you tried another charger? Are you still under waranty? Is so, you should take an appointment with the neareast Apple store so they can exchange the phone.