EAX80

[Willow055]

Can’t get netgear_ext to come on my iPhone to set up

[plemans]

Did you set it up using wps? 

If so, its default setup is mesh. meaning it uses the same ssid as the router. 
if you haven't done a thing yet, then try factory resetting it. push and hold reset for 7-15 seconds while its powered on.