I've lost a call today because both (red and green) buttons just disappeared... The screen was locked and i didn't know what to do in order to pick up the call... it was hilarious because i was driving, the phone was ringing and i really didn't want to lost that call but i wasn't able to unlock the screen Sadly i'm still on on version 0.1 that i think isn't verbose enough . i'll update and report back any abnormalities. Thank you.