Tony wrote @olc Do a factory reset on the switch by holding the side button for 15 seconds, install it again and test that. Another thing to try is to use a different smartphone if it is available,...

@olc I have tried all the suggestions on the TP-Link support site: Check time setting, firmware, delete and reconnect device, uninstall/reinstall Kasa app, etc. The device is connected to a simple...

Received model HS103P4 today from Amazon. Support can't find this model. I cannot get Schedule or Timer to work at all using the instructions at https://www.tp-link.com/us/support/faq/947/ I'm at a...