when you say "wont connect", do you mean that your phone wont automatically switch to the devices setup network thru the app using the wizard? Because i find that many if not most times, when i reach that step of the wizard, i have to leave the app, go into my network settings and manually join the devices network, and then return to the kasa or tapo app. this is how its done on apple devices, every time for every device. fyi, this isnt unique to tp link devices. it is generally universal with these smart devices. hope this helps.