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How to change 2FA to SMS Authentication?

SMS 2-factor authentication provides a significant security boost over Email 2-factor authentication by requiring the possession of a mobile device, which helps to prevent account takeovers from stolen email mailboxes and passwords alone.

To step-up in your account security and change the 2-factor authentication to SMS please follow the below steps:

  1. Enter your Account settings and go to the Security tab. Find a dedicated 2-Factor Authentication section and click on a toggle next to your masked phone number:

    A screenshot of the zondacrypto account settings panel. In the left navigation menu, the "Security" option is selected. On the right, the "Security" section shows options for managing the password, and enabling two-factor authentication (2FA) via Google Authenticator (recommended), a phone number, or an email address. Below that is an "Advanced security" section with options for Passkeys and "Anti-Phishing code." At the very bottom are "Active sessions" and "Last logins" sections.

     
  2. You will see an informational popup sharing some important details about this process and our recommendations. Confirm the choice by clicking on Yes, change 2FA to phone number button:

    A screenshot from the zondacrypto app. A pop-up window with the header "Switch 2FA to phone number" displays a warning. Below, the question "Do you want to increase your security by using the 2FA phone number method?" is asked, followed by a message informing the user they have a maximum of three attempts to start the verification process. At the bottom are two buttons: "Yes, change 2FA to phone number" and "No, cancel".

     
  3. Confirm that the phone number associated with your zondacrypto account is still in your possession by entering the OTP code we have sent you via an SMS text message:

    A screenshot from the zondacrypto service, showing the "Confirm your phone number" window. The window contains text informing the user that a verification code has been sent via SMS to the phone number associated with the account. Below that are five empty fields for entering the code and a message about the time remaining to resend the code. At the bottom of the screen are "Confirm" and "Cancel" buttons.

     
  4. Authorise the final change of the 2-factor authentication method to phone number with a standard 2-factor authentication method currently selected on your zondacrypto account (in this case it is Email 2-factor authentication:

    A screenshot from the zondacrypto app showing an "Authorisation required" window. At the top, under the header, there is an envelope icon, and below it, text stating that an email with an authorization code has been sent to the account's associated email address. Below that are six empty fields for entering the code. At the very bottom is the "Confirm" button.
     
  5. Success: your 2-factor authentication method has been changed to a phone number. Now each time you are asked to use 2-factor authentication at zondacrypto platform - we will generate and send a unique one-time password (OTP) code to your phone via a text message.