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A critique of iPhone's incoming call UI, pointing out the inconsistency between locked and unlocked states. When unlocked, users get tap buttons to accept or decline, but when locked, only a swipe-to-answer option is shown with no visible decline button. The decline action requires a hidden gesture: double-tapping the power button. By contrast, Android provides swipe-to-answer and swipe-to-decline in both locked and unlocked states, making the interaction more consistent and discoverable.

iPhone's Call UI is Bad