Update: customer service was very good. I requested and received a replacement plug. This one doesn't work either. Yes, I tried everything...past post: "I'm new to smart home tech. Got a pair of Wyze plugs. Plugged a small lamp into one, figuring the plug and the app would work like a timer. But I can't configure the app. It wants to be upgraded, but the upgrade won't run. Tried 4X. Can't use basic functionality because I can't set the time because I can't upgrade...."