my 2 month old 16gb white iPhone 3GS has started to make a weird creaking sound when I push it around the bottom. IF I squeeze it gently it sounds like the whole thing is moving around. I have had a iSkin solo FX case on it.
Is anyone else having this problem? Should I get it replaced? I'm one of those people who once I find a problem, wont leave it alone... keep squeezing my phone no matter how hard I try not to :P It creaks when pushed on the sides, then it stops. Then if i push down just below the apple logo it creaks again until it stops. It's as if the case is loose or something. 

And don't say stop squeezing it :P because I'm already trying not to