You can manage trusted phone numbers and remove access from devices no longer in your possession directly from your account settings. It uses your trusted devices and trusted phone numbers together, rather than relying solely on a separate verification code sent via SMS.
Two Way Authentication iPhone Setup
Understanding how this security protocol works is essential for protecting personal data, photos, and payment information stored within the Apple ecosystem. Trusted Devices and Phone Numbers A core component of this security setup is the concept of a trusted device.
Setting Up Two Factor Authentication Apple makes enabling this feature straightforward through the Settings app on your iPhone. You receive a notification on your iPhone or iPad, prompting you to confirm the login attempt.
iPhone Two Way Authentication Setup Guide
A verification code can be displayed on the screen of a trusted device or sent to a trusted phone number via SMS or a phone call. Your iPhone, iPad, Mac, and Apple Watch can all become trusted devices.
More About Iphone two way authentication
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