Ah Hah !! One has to change your iPhone from it's normal network. (i.e. whatever you usually connect to, and probably have your iPhone connected to as you are trying to get this switch to be...

Oh, the Switch is Model: HS200(US) Ver: 3.8

@Tony I'm using iPhone with iOS 15.2. I cannot connect to an HS200. I've reset the switch multiple times and gone through the sequence to connect to my network to no avail. Yes, Kasa app has...