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iMore Question
Since upgrading to ios 12 my iPhone 7 Plus, at seemingly random intervals, will behave as if Do not Disturb mode has been triggered. Although there is no half-moon icon and Do not Disturb is certainly not engaged, incoming messages and emails have ceased triggering notifications when the phone is locked and idle. In contrast, when the phone is unlocked and in use, notifications arrive as expected (banner / tone / vibration). Also, notifications arrive on apple watch just fine. Notification setting for watch is "mirror iphone"