How to set-Up iphone 5s with mac(10.10v) using appium?

1)we have installed xcode 6.2.
2)we have installed appium 1.4.1v
3)we have configured iphone 5s(8.1.1).
4)we have signed .ipa, also the provisional certificate and device is registred in developer portal.

We had followed all the above step which mention on your web sites still we are unable to connect ios with appium.
i have attached SCREENSHOT have a look at it:-