Yes, the cell phone wifi affects the routers wifi connectivity. Being tech clueless- iIam unsure how to update the FW (what is that?) Or setting a fixed channel, how do i do that...?

Yes, it seems the cell phone wifi affects the router's connectivity I am tech clueless! So what does it mean to update the FW? And how do I set a fixed channel? Clueless as you can tell....

Model : Hardware Version : Firmware Version : ISP : This use to happen intermittently, but now its happening 100% of the time. My connectivity to internet is fine, via a wired ADSL connection to my...