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Editorial Team
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Asked: 2026-05-27T23:34:55+00:00

The function [[UIDevice currentDevice] uniqueIdentifier] Is deprecated in iOS 5 and I found the

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The function

[[UIDevice currentDevice] uniqueIdentifier]

Is deprecated in iOS 5 and I found the solution in this project using the MAC address: https://github.com/gekitz/UIDevice-with-UniqueIdentifier-for-iOS-5

Ok, it is solved. But now I discovery that iOS 5 CHANGED the format of code that uniqueIdentifier return.

In iOS 4.x it is in this format:

93F38DEB-3C0B-5C09-B746-0DFDFDDB297C

Now the iOS 5, the same function return in this format:

93f38deB3c0b5c09b7460dfdfddb297c

Anyone know if the code changed at all? It is different only is format or the code in really different for the same device?

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1 Answer

  1. Editorial Team

    The code CHANGED!!!!!

    UniqueIdentifier is no more UNIQUE!!!

    The first format have 36 hexa lenght

    93F38DEB-3C0B-5C09-B746-0DFDFDDB297C

    The second have 40 hexa!!!!!

    Because this, it changed. I don’t know if it append more hexa to identifier, but the bigger size changed al all.

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