Hi to all. A had the same problem, but change the router password and set only alpha numeric password (without expecual characters) and the connection work. I don't know how but I expend a Lot of time trying to connect. i made a lot of test on the router (CISCO Linksys Smart WIFI EA2700) change bandwidth, wifi type, channels and does'nt work. The last test was change the password and works.
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RE: Wifisetup connection issue