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Can't Access Duo on My iPhone or Mac

Problem

"I'm using an iPhone or Mac, and Duo isn't loading properly. The Duo window is blank/white/gray."

"MFA locked me out of the Cal Poly portal."

Solution

We’ll let the experts explain this one.

Visit Duo's How do I resolve Duo Prompt display issues related to iOS or macOS content restrictions? page for more information. Under Resolution, follow the Disabling content restrictions instructions.






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