How do I change the phone number that I use for two-factor authentication?

To change the phone number that receives text messages (SMS) for two-factor authentication:

  1. Go to your profile and tap .
  2. Tap Settings > Security > Two-Factor Authentication.
  3. If two-factor authentication is already on, tap next to Text Message to turn it off.
  4. Tap Turn Off to remove two-factor authentication from the old confirmed phone number.
  5. Tap next to Text Message to turn on two-factor authentication again.
  6. Instead of entering a code, tap Change Phone Number below the Next button.
  7. Enter the new phone number and tap Next.
  8. You'll be sent a text message (SMS) to the new phone number with a special 6-digit security code. Enter the code that was sent and tap Next.
  9. You'll see a list of recovery codes. Tap Next to complete the two-factor authentication process.
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