If you need to change your mobile device or perform a factory reset, you can disable 2-Step Verification for your Arduino account.
Important
To disable 2-Step Verification, you need to sign into your Arduino account. If you’ve lost access, see Recover an account protected by 2-Step Verification.
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Go to your Arduino account profile.
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Click on Disable under the Security section. A message will be displayed stating that you will receive an email. It will send the email to the address listed in the account settings section.
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Check your email for a message with the subject Disable Arduino 2-step verification. Click the link.
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After clicking on the link, 2-step verification will be disabled.