How to change mobile device

At Mattermost, we are using our mobile devices daily at work. This how-to document provides guidance on what steps you need to take when planning to migrate to a new phone.

Note: If you’ve lost your mobile phone, please refer to the How To Handle a Lost Mobile Device guide.

GSuite two-factor authentication

For GSuite two-factor authentication, please follow these steps:

  1. Select 2-Step Verification.

  2. You'll be prompted to log in again to prove your identity.

  3. Select Change Phone and follow the provided steps.

  4. (Optional) If you’ve changed your phone number, update the phone number in the Google Security Center as well.

Okta two-factor authentication

For Okta two-factor authentication, please follow these steps:

  1. Log in with your Okta credentials and authentication code from your old mobile device. If you can't sign in, please reach out to the IT team.

  2. Select your name in the top right and select Settings.

  3. If the Edit Profile button appears, enter your password if prompted.

  4. In the Security Methods section, depending on the two-factor method you're using, it will show you Remove or Set up another.

  5. Please choose Remove to remove your old device and Set up another to add your new device and follow the instructions on the screen.

For detailed steps-by-step instruction, please go to the links below:

  • Andriod user :

  • iOS user :

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