iOS 17.4 Beta Adds Quantum-Resistant Encryption, Maps Customization, Battery Improvements
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iOS 17.4 beta 4 includes quantum computer protection upgrade for iMessage encryption called PQ3 to thwart future attacks.
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Updated Hello screen shows user's Apple ID profile photo after upgrade to iOS 17.4.
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New Apple Maps display options for CarPlay instrument cluster to customize between main and secondary screens.
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Battery Health information simplified and moved into appropriate Settings panels.
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iPhone 15 battery lifecycle doubled to 1000 charges from 500 before dropping to 80% capacity.