All I meant was... don't provide UUID (for registration) if you are planning on changing devices soon (i.e.: iphone 4s to 5, etc.), wait until you have the new device. You are registering a specific device and you cannot simply "re-register" if you upgrade from one phone to another. You won't be able to test on you new device. I know odds of this are small but simply wanted you to know as it seems that some people change phones monthly.
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