http://www.htcwiki.com/page/ATT+Tilt...+Screen?t=anon
alternatively to
simply stop the flickering without the need for any download, just disable the Telenav from the today menu Start->Settings->Today - Items tab, uncheck TeleNavPlug. You will still be able to use Telenav, as this only disable the Telenav plugin from the Today screen, to run Telenav use the menu on top or go to
Start->Programs->Telenav.
Still get hiccup on bt playback of music ;( anyone else have the same problem? just wondering if i need to change something in the registry or not?