This problem just started today. Sometimes when I wake the phone up the screen is extremely dim and is flickering. The touch screen is responsive but if i try and brighten the screen nothing happens. If i turn off the screen and turn it back on that fixes it in till it occasionally happens again. I have read on it and many associate it has a software problem not hardware. But then they say its because of auto brightness which this phone doesn't have. This seems to be a common problem so i don't think the device is defective. Anybody experiencing this?