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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T05:19:11+00:00 2026-05-16T05:19:11+00:00

Do apple’s iPhone / iPad UDID’s contain a checksum ? I’m asking because I’m

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Do apple’s iPhone / iPad UDID’s contain a checksum ?
I’m asking because I’m wondering if it would be possible to add non-existant or “wrong” UDID’s to the Devices list at the developer portal.

thanks for your help

sam

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  1. Editorial Team
    Editorial Team
    2026-05-16T05:19:11+00:00Added an answer on May 16, 2026 at 5:19 am

    As far as I can see, the answer is no. Just had one provided by a client and one digit was wrong. We built the app and found it didn’t install on the phone. Lesson learned – we now ask for a screenshot of the UDID so we can be sure it is entered correctly.

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