I need a UDID for my iphone 5?

I'm a developer but i never registered my iphone 5 with it. I went to get ios 7 and it updated itunes and then almost completed the update i went to use my phone and its asking for my udid number because i never registered my phone in the iphone developer program portal. Any help on getting my udid without itunes or a phone? I emailed apple but they take around 48 hours to reply. My cell phone company isn't help.

I have same problem and I passed.
Try this:
http://www.letsunlockiphone.com/get-udid-ios-without-itunes-how-to/

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