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Choice is good. With Duo Security, we support a number of different methods for logging in. Use whichever method is most convenient for you. You can even enroll in the system with multiple phones and use multiple methods as a backup in case the device you normally use to log in is ever lost, damaged, or simply unavailable. 

Which method is right for me?

Smartphones and TabletsCell Phones and LandlinesClassic Hardware Tokens or YubiKeys



Use your existing smartphone running Apple IOS or Android so that you do not need to carry a separate device in order to log in.

When using a smartphone, Duo Mobile displays a login prompt on your device whenever you try to log in. Simply tap Approve and you are logged in.

When your phone is not able to get cellular or Wifi coverage, you can also use the Duo Mobile app to get a passcode. Simply tap the line that says "Drew University" in order to generate a one-time passcode. Enter the one-time passcode into the uLogin form to log in (click Duo Security to display that third box).

Regular cell phones and landlines make an excellent choice as a backup device for authentication if the device you normally use for logging in is lost, damaged, or simply not available.

To use a second or third phone for authentication, add the line to your account and then choose the appropriate option from the Duo Security drop-down menu on the uLogin form. You can either have Duo send a text message containing 10 one-time passcodes or you can elect to have Duo call the phone number to confirm your login.

If you wish to activate Duo Mobile on a new phone, look to the instructions at New Phone and Duo.

Some people prefer an option that is not phone-based. When first rolling out Duo Security, Drew provided classic hardware tokens or YubiKeys. Although we do not offer these anymore, we can work with an individual to add a personally-purchased token to their Duo account.

Using both devices allows you to enter a one-time passcode into the uLogin form to log in (click Duo Security to display that third box). On a classic token, press the button on the token to display a one-time passcode, and then enter that passcode into the Passcode field.

A YubiKey allows you to log in to any computer or tablet with a USB port or adapter. Simply plug in your YubiKey, enter your username and password, and open the passcode field on the uLogin form. Tap the button on the YubiKey and it will enter the passcode for you.

Learn more about using Duo on:

Learn more about using cell phones and landlines:



Learn more about Hardware Tokens:


It is easy to enroll multiple smartphones, tablets, cell phones, and landlines during the Self-Service Enrollment process. If you ever need to change or add devices later and are able to log in using at least one of your devices, visit the Two-Factor Self-Service site ( and choose My Settings & Devices on the left. If you need to change or add devices and are not able to log in using an alternate method, please contact the University Technology Helpdesk (see below) during business hours and we will be happy to help.