Day 5 - performed the update yesterday, there is a slight improvement (1 second) and most of the time it's a miss when I say the command or ask questions... Frequency of successful response from Bolt is 1 out of 6 questions or commands. The lights just don't come up saying it's listening... Makes me look like a fool talking into Bolt..
I was pretty excited when Anker announced Google Assistant device for car... But now I am pretty upset with it. This is what happens when you give the complete hardware control to 3rd party - in this case it's Google who manages the Bolt device.
Writing to Roav support, but I don't have very high expectations since this is still in Beta (though Roav support mentioned it was official - when I paired it again, it showed as Beta again)