OPENBOX SIGNATURE PLUS 8MB SGF1 V11.02.09 BUILT IN WIFI NEW SOFTWARE 10-03-2021 Mar 19, 2021 OPENBOX SIGNATURE PLUS 8MB SGF1 V11.02.09 BUILT IN WIFI NEW SOFTWARE 10-03-2021 MODEL OPENBOX SIGNATURE PLUS CHIP 1506LV 8MB MENU SGF1 HARDWARE VERSION…