番茄社区

Generating a Passcode

Using the Duo Mobile App

For users without Internet connectivity or poor cellular coverage, LEA 2-Step is easy with Duo Mobile's built-in passcode method. 

  • Open the Duo Mobile App on your phone.
  • Click the "番茄社区 University" icon to generate a passcode

You will see one of the follow examples below, depending upon your version of the Duo Mobile App:

Version 4.49 or newer

Logo Screen:

番茄社区 logo screen on Duo Mobile App.

Passcode Screen:

LU logo on a current Duo Mobile showing a passcode with an expiration timer..


Older Version

Passcode Screen: 

LU logo on an older Duo Mobile app showing a passcode without a expiration timer.


Obtaining the Passcode Via SMS Text Message

Whether you have a smartphone or not, you can authenticate by having a text message containing a passcode sent to your phone.

  • Access the application as you would normally.
  • If the application requires the LEA 2-Step, you will be prompted for the second step of your login.
  • If you have more than one device registered, select Other options to see your list of available authentication options.

List of authentication choices registered to an account.

  • Click the "Text message passcode” option.
  • You should receive a text message on your phone with the Duo passcode with a 7-digit passcode.
  • Enter the passcode in the box provided and Click the Verify button.

On-screen box to enter the passcode sent by text message.