This is really frustrating. I'm about to get my phone replaced. Every once in a while the screen gets a really grey tint to it and the screen's quality just becomes terrible. The only way to fix the screen is to take out the battery and reset the phone. Has anyone else experienced this? I'm not going to be able to show it to the people at ATT as I don't know when or why it happens. Does this sound like an LCD problem? Is it worthy of a replacement?