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I will be using the Internet only at wifi hotspots and won’t have cell phone access while traveling, will Duo still work?

Yes, the Duo mobile app can generate access codes even without cellular service Duo Mobile application can be used to generate passcodes on airplanes or in remote regions where Duo Push, SMS-delivered passcodes, phone callback or cellular service may be unavailable or difficult to use. Duo Push can use a Wi-Fi connection to function. If you can access the Internet from your mobile device, you can receive push notifications.

I’m an employee who will be retiring soon. Will I be required to use 2FA after I retire?