Xcode - iPhone - profile doesn't match any valid certificate-/private-key pair in the default keychain
问题 I tried to add my iPhone to Xcode4 to test my Application on it. I added the device in the Apple Developer-Center and downloaded the Provision-Profile. We pay 99$ per month for the account and I'm not the only person who use this account. So there is already an "older" certificate present which I tried to add to my keychain-manager. But I see a red-text above it (translated from german) "This certificate has been signed by an unknown instance.". In my XCode-Device Manager in the Provisioning