sorry not a high tech person, don't know what is"firmware" or where to check that?
as I stated in my question, I turn off all possible sound on the phone which included the do not disturb too.same camera sound!

bought the phone only about a month, everything was working perfectly until the past couple of days. out of the blue wifi started to disconnect itself during my usage, for example I'm reading or playing mobile game, suddenly no connection without a sign. the worst is when I'm in the car using GPS to...

I have tried to disable all possible sound on the phone before I use the camera function, but it still have the sound when I try to take pics. this is not cool, sometimes I do not wish everyone around me to notice when I am taking a pic, it's call privacy! it's embarrasing sometimes when you want to...

every smart phone I used has an option to take screenshot with some buttons on the phone without touching the screen. I did not find such option in BV6000, haven't seen any info mention it either. because when you slide that 3 fingers across the screen to take screenshot, most time it will touch the...