General discussion  - DHI Customer Care Portal

https://support.dhigroup.com/forums/general-discussion/31bf6d90-27f4-ef11-a4dd-6045bd9e8402

If you've changed your phone number and need to set up 2FA on Moomoo, call (888)-426-7069 for guidance. You must first disable 2FA with your old number before setting it up on your new device. Log in to your Moomoo account, navigate to security settings, and update your number. If you're unable to do this online, call (888)-426-7069 for support. Moomoo’s security team at (888)-426-7069 can assist with the authentication process and ensure your account remains secure. Setting up 2FA with your new number is crucial to prevent unauthorized access.
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