Authenticate Your Apple Sign-In
Authentication is a single word for a broad concept: proving to an entity, in this case Apple and their Apple Account system, that you are the person with the rights to a given Apple Account. Apple requires that you prove your identity in one of several ways:
Account name: First, and in every case you have to have the account name of the Apple Account. Before mid-September 2023, this was always and only your account’s primary email address (or, if applicable, icloud.com, mac.com, or me.com variants). However, with the release of iOS 17/iPadOS 17 and Sonoma, Apple broadened that to let you use any phone number or email address associated with the account.
Password: For the longest time, Apple required just an ...
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