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Intermittent/quiet ring tone

iPhone 13 Mini. IOS 15.6.1

There are a couple of issues that I cannot resolve to do with alerting.

I seem to receive alerts (phone calls, Timers, SMS) intermittently. By this I mean that either I do not hear the alert sometimes or I do not receive the alert.

"Settings>Sounds & Haptics>Ringer & Alerts" is set to maximum volume. I have also experimented with "Settings>Sounds & Haptics>Change with Buttons" selected ON and OFF - no difference in outcome.

When I select a new tone (Ring tone, Text tone) the new tone is heard at what I expect is the correct volume.

Then two outcomes occur:

  1. When I next receive a SMS/Alarm/Timer either there is no Alert or the volume of the Alert is much reduced
  2. When I receive a phone call the first Alert is heard at a reduced volume and 2nd, 3rd etc repeats of the Alert steadily reduce in volume.

Any thought on this? Is there a combination of settings that could cause this?


iPhone 13 mini, iOS 15

Posted on Aug 30, 2022 8:21 PM

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Question marked as Top-ranking reply

Posted on Aug 31, 2022 1:18 AM

Have you enabled Scheduled Summary?


Settings > Notifications > [Select the App that you are having trouble receiving immediate notifications]


See the pic below for a few examples. Please select immediate delivery.


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Intermittent/quiet ring tone

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