Support Text message notification SOMETIMES doesn't work!!!

view story

http://androidforums.com – This started around 2 months ago and I've noticed it is getting progressively worse! I would get a text message and everything would work fine. My phone's notification tone would go off and my phone would vibrate. When i unlock my screen it would show a preview of the message. But what's becoming more common on my phone is that when i now get a text message nothing happens. My phone's notification tone doesn't go off. my phone doesn't vibrate. My phone doesn't display a preview of the message when i unlock my phone. All it shows is the little message symbol in the notification bar. Sometimes t (General)