Hey  @GaryPB,

At what point in the setup does the process fail? What page are you given in the Kasa App?

If your phone cannot automatically connect to the wireless signal of the device, you will need to navigate to your phone settings and manually connect to the temporary setup network - you should then be able to return to the Kasa app to complete setup.

Please also ensure that you have disabled any VPNs on your phone.

I would also recommend performing a factory reset after a failed setup attempt, which can be achieved by holding the power button for 10sec (soft resets are performed by holding the button for 5 seconds, so please continue holding until the factory reset)