So I have had my EVO for about a month now. It has been working well with the exception of one issue. This issue has happened twice (not close together in time). An example of what happens is as follows. I have my phone sitting next to me on my desk at work or wherever. All of a sudden I see a white background and it says HTC EVO 4G across the screen. It seems as if I were turning the phone off. It stays on that screen unless I manually hold down the top power button for a few seconds to power it downa nd then power it up. Any ideas why this is happening? Has anyone else experienced this?