Hello, After installing the 3 way switch both of them kept blinking the Amber light with a blue circle and it won't connect to the Kasa App. Tried the in app troubleshooting instructions but still won

Hello, I just bought a HS210 3way switch. I have several questions. My first question is my wiring only has netural at one side. The other switch does not have a neutral will this work? Next question

Model : Hardware Version : Firmware Version : ISP : The light switch's wifi network does not show up. The wifi symbol on the switches blinks slow amber as soon as it gets power and never changes. Pres