tablet). With Duo Push (recommended): Choosing this option will cause your smartphone to send you a notification. Simply open this notification when it appears and choose "Approve" to authenticate.

tablet). With Duo Push (recommended): Choosing this option will cause your smartphone to send you a notification. Simply open this notification when it appears and choose "Approve" to authenticate.

Cell phones are a good option for authenticating with Duo. If your phone number hasn't changed: You can also complete the process from the Duo Mobile App. Instructions: If your phone number has ...