Hi there,

I got a Butterfly 2 running on 4.4.4, I've got an annoying problem that the ring and notification tone muted randomly when the phone is face down, I check the settings and find that the ring must mute at least once when flip down, this is fixed can't be disabled, and I did not flip the phone while it is ringing, but I put it face down on the table before it rings.
Even weird is that when I am using a Bluetooth handsfree playback Whatsapp recording, whenever my hand cover the proximity sensor the audio will mute, I don't have this problem playback music, any idea ?