My modem is quite old firmware. Firmware Version:1.1.0 0.9.1 v5006.0 Build 200826 Rel.77218n Hardware Version:Archer VR1600v v2 00000000 I want to get it updated with the latest firmware.   Not sure it will solve this below issue. My issue is the 5GHz WiFi keeps dropping. I need to switch off and then on the power to restore the WiFi while the wired ethernet is fine with full speed. ... View more