Sorry if this has been asked/answered already (I did a search but didn't find anything), but is anyone else not getting a text/iMessage sound? I don't have the mute button switched on, and I've the ringer volume turned all the way up. I have 'Show on Lock Screen' turned off to save battery, but I did in iOS6 as well. When I first updated the sound would go off when I got a message, but now there's nothing. I unlock my phone and am surprised to see that I've a new text. I tried turning my phone off and on, and resetting it but nothing worked. Has this happened to anyone else?