API to get an iPhones unique ID? -

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Two part question:

  • Is there a unique ID in addition to the MAC address in the iPhone ?
  • If so, is there an API call that I can use to get it?

(Hopefully this is not a duplicate, I have not found anything in the iPhone has a unique identifier, which is called UIDID (this same identifier is used) , When it is used)

Setting up an instrument for development or ad-hoc distribution). You can retrieve it: 

  NSString * uniqueIdentifier = [UID device current device] .uniqueIdentifier;

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