I have been attempting to setup a KP400 Outdoor SmartPlug. The LED is flashing orange and green and the Kasa app sees the temporary TP-Link SmartPlug_XXXX SSID. However, no device that I attempt setup from actually joins the temporary network in order to allow Kasa to complete the setup process.
I have tried from two Android devices and an iPad. The Android devices see the network, attempt to join and immediately (less than a second) fail at joining at revert back to the primary SSID. On the iPad, iOS reports that the password to join the network is incorrect. I have not specified the password. According to the TP-Link instructions it should be blank / no password.
I have hard reset the SmartPlug four times by holding the button for at least 10 seconds. I have the exact same issue every time.