Zgemma h2h no sound


hi guys just wondering if aomeone might be able to help a newbie out,

switched my zgemma h2h running the openATV build (Vermin media)and cannot get any sound on any of the channels, all the channels are clearing restarted cam/ deep standby

had problems with the box not being able to flash via usb, but a forum member was kind enough to help get me setup, which i am eternally greatfull for

any help would be appreaciated thanks peeps :)