You need to login to the router at myfiosgateway.com or 192.168. 1.1 and go to WiFi settings, then Advanced then on the bottom of page will be “other advanced wifi options” in there you can turn off SON. Once off you will have to rename the 5G SSID to Fios-XXXXX-5G.
Read moreHow do I activate my 5G with Verizon?
5G Home Internet – My Verizon website – Enable / Disable a Connected Device
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