volumio latest version as on 21 April 2021 is 2.873 using kernel 4.19.118-v7l to update boss2 driver on 2.873 volumio image follow below steps. 1) download boss2 driver ssh login su cd /usr/src wget http://3.230.113.73:9011/Allocom/Boss2/volumio/419118upd.sh sh 419118upd.sh reboot 2) select boss2 dac from drop down dac menu save and reboot 3) follow boss2_oled install steps for the display. http://3.230.113.73:9011/Allocom/Boss2/Boss2_oled_install_steps 4) comfast 8812au users update 8812au driver. some of the users reported stock volumio image 8812au driver crashing on wifi enable. use updated driver to solve this. http://3.230.113.73:9011/Allocom/Boss2/rtl8812au/info *************************************** Volumio3 step 1 not required , drivers and GUI selection already available.