This has happened to me about 10 times since June 29th and just did it again tonight...a call comes in, phone rings, I slide to unlock, place phone to ear. I hear what sounds like a connected phone call, a little bit of dead air and within about 3 seconds the phone call and screen crash to black, phone turns off. I can immediately hit the home button to turn the phone on but the call is lost and I'm left with the home screen. Anyone? Very weird. 4 bars generally when this happens and stock iphone.
