I managed to fix the issue by using the app on an android phone rather than using iPhone. Really don't know what difference it makes but in this case it was the difference between the plugs working...

@TP-Link Have checked my phone and VPN is not connected. On my connections, prior to the install I am connected to my router with no issues. When the app requires me to connect to the plug this is...

@joshkrz My wifi is defaulted to WPA2-PSK and this hasn't resolved my issue. Glad it worked for you though

Have purchased 4x KP105 smart plugs. Having purchased HS100's I thought this was going to be a breeze. I have tried all the plugs and not 1 want's to connect to my network. I go through the...