The issue focused on the use of the GbDN/C2B/C2B+G1.1/C2B+G1.0/C2B+G0.1/C2B+G0.0, a 4-in-1 with a WAN, a WAN+3G, a WAN+2G, a WAN+1G, a WAN+0.1, a WAN+0.0, a W