So, long story short, I need to turn bluetooth on while on a call. (Long story longer: it's because BT automatically turns off when I remove the phone from the iBolt car dock, and I sometimes want to transfer the call from my car BT to my ear BT ... which involves a brief stop at no BT in the middle.) Except, whenever I get near the phone to pull down the status bar and hit the BT toggle, the screen goes black. I end up with the screen flashing on and off four or five times until I can manage to turn BT on. This is annoying. I've poked around the forums and it seems likely that what's going on is my proximity sensor keeps sensing my presence and (since I'm on a call), it turns the screen off so I don't "cheek dial" or whatever. But I actually want to hit buttons while I'm on the call. Any way to make the proximity sensor less enthusiastic? Or ideas about how to best hold the phone so it stops doing this?