How do I change my phone number for two-factor authentication?

How do I change my phone number for two-factor authentication?

To change your phone number, do the following:
  1. Log in to your PayFast account.
  2. Navigate to Profile > Security Info. Click Edit.  
  3. Click the Two Factor Authentication tab. 
  4. Enter your new phone number and click Subscribe.
Please note: If you are using a smartphone with the Authy two-factor authentication app (and plan on using the same phone with a new number) then you should delete and re-install the app.
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