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Screen stays dark when alarm goes off in the morning

When I use my iPhone 5 with iOS 9 as my alarm clock to wake me up (iOS clock app), the alarm sounds, but the screen does not light up. This means I have to fumble around in the dark to turn off my alarm. I have found that if I set a different alarm (a minute or two after the original alarm sounds, or an alarm during the day) the screen lights. A new alarm at a different time, if it is the alarm that wakes me, does the same thing where the alarm sounds and the screen stays black.

Is there some deep-sleep function that automatically turns on?

By the way, I have Do Not Disturb on at night, and is still on when the alarm goes off.

Does anyone else have any issues like this with iOS 9? It never did this on previous versions of iOS.

iPhone 5, iOS 7.1.1, A1428

Posted on Sep 23, 2015 5:33 AM

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104 replies

Jul 31, 2016 9:22 AM in response to mattm754

This problem just started. It has happened 5 times now. I have a iPhone 6 Plus and running version 9.3.3. I tried deleting all my pre set alarms and set up a new alarm setting and this morning, it happened again. I read the previous information in the forum and the suggestion was to update the phone to the new iOS. Does anyone have a suggestions if you already have the new iOS?

Screen stays dark when alarm goes off in the morning

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