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Touch ID Isn't the Only Way to Unlock an iPhone Duo
Apple's new iPhone Duo lacks Face ID. That may irk users who are used to the seamless unlocking experience that a facial biometric system provides, but fortunately Apple has brought over one of the Mac's best authentication features to its first foldable iPhone. Touch ID is integrated into the Duo's side button for authentication whether iPhone Duo is open or closed, but if you own an Apple Watch, you can opt to have it unlock your iPhone Duo without you having to press a thing.
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