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This article explains how you reactivate Duo Mobile when you get a new phone but keep the same phone number. Use this if Duo Push no longer works after switching devices.

This article explains how you can verify whether your Android device is supported by Duo Mobile. Use this when you are unable to authenticate with Duo or want to confirm your Android version meets Duo security requirements.

You can use the Identity and Access Management portal to manage your UL2FCTR/Duo devices. Use these instructions to add a device to use for UL2FCTR/Duo or to remove a device from your profile.

This guide is for students, employees and sponsored users who need to sign up for UL2FCTR/Duo for the first time. Follow these steps to get started.