Solved! Go to Solution.
Buy a cheap (less than £5) corded phone, and use that for the setup. Its always useful to have one anyway, in case of a power cut.
d/loaded smarttalk app got security no and pin no last step will not load comes up with unexpected error any idea's how to resolve
only provider is BT. the screen says "unexpected error" thats it no explanation. been going on for 2 weeks with repeated tel calls to BT to try and sort prob. Iphone set up correctly, must be a fault at BT's end