I was ready to return my 3 pack of dimmer switches and I even had a return authorization from the TP-Link representative I chatted with. But I tried once again over the weekend to get them working...

@DRiFT_645 I have the same problem. Three new Hs220 switches and the Kasa app chokes after setting up Wi-Fi. The switches seem to connect after setup because the light is solid green. But the app...