I know that the UDID is deprecated in iOS 5.0. Before I go crazy and update all my apps that have a [UIDevice currentDevice].uniqueIdentifier call, I would like to know if the iPhone 4S will report a UDID.
If it has a UDID, basically it will save me the trouble of updating my apps right away. If it doesn't have a UDID and basically terminates the app after the call for the UDID, then I will really need to update my apps right away.
Thanks in advance.
It definitely still works - we've seen a bunch of purchases logged in our system today from iPhone 4S users whose devices presented valid UDIDs. (obtained via uniqueIdentifier) But Apple may very well remove it in iOS 6, so it's worth beginning to explore workarounds.