You'll have to go into your settings to trust non-App Store apps on an iPhone. Here's how to make your iPhone trust these ...
To use Sign In with Apple, you simply need to select the option when asked to log into a participating app or website.
Apple's introduction of Passkeys means you can authenticate with some apps and services using Face ID or Touch ID instead of remembering a password. This is how you get started. Passkeys feed into the ...
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