Pigey_1200

I wanted to do the latest update and when the download was at the half the bluetooth had shut down and then my amp has no sound and all the channels(ABCD) are flashing and in the bluetooth settings and in the amplifi app say amplifi 75 and i have the 150 one........WHAT I MUST TO DOOOO???!!!!

I wanted to do the latest update and when the download was at the half the bluetooth had shut down and them my amp has no sound an al the channels(ABCD) are flashing... what i must to do???