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iPhone 15 alarm not working

i have two phones - a 14 for work and a 15 for personal. My morning alarm does not work on my 15, so I’ve now had to resort to using my 14 for my morning alarm. Time is set correctly, volume is turned ALL the way up and it still won’t go off. Apps are update. It’s got to be a bug in the new 15 operating system.

iPhone 15 Pro, iOS 17

Posted on Nov 12, 2023 11:58 AM

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Posted on Nov 13, 2023 4:38 PM

After I updated to iOS 17 my alarm stopped making noise too. I fixed it by disabling the standby feature. It installed default On. I noticed that when I picked up my phone in the morning (after using a normal alarm clock because I stopped replying on my iPhone) this odd screen showed up including a little red bell.


Try turning this off and report back!!

71 replies

Jan 25, 2024 12:07 AM in response to nwhite2023

Hope I’m not too late but if you toggle off “attention aware” and “attention aware features” (which I know, it sucks to turn off) in settings, then the alarm in nightstand mode will work.. just do a settings search the two mentioned above and you will find those settings. still not the best but at least I can hear the alarm at least once.. I believe the problem is with the always on feature of the nightstand clock.. it thinks you are somehow looking at the screen..

Feb 1, 2024 6:22 AM in response to Jcryun

My new iPhone 15 has the same issue. The alarm is “alarming “ or going off, etc and the phone makes no sound. However if i set a timer or a manual alarm to test it, then it makes sound. Luckily I’ve also got the watch and that vibrates, so I’ve not overslept too bad, but why would a company design a watch and a phone with alarms nobody can HEAR?


i tried the Apple support a couple of times and that was a ridiculous experience, the first thing they wanted me to do was to reset my phone.

Feb 1, 2024 5:10 PM in response to Jcryun

Same issue here. I believe I found the issue. When the alarm goes off and I turn my face in the direction of my phone, it automatically goes into that silent mode and stays there. The screen still shows the alarm is going off but no sound. My theory is when I roll over in bed, not even close to being awake, the phone recognizes my face and puts it in this mode, which obviously causes significant issues bc I’m not awake enough to even register that the alarm is going off.


Last night I put the phone on the charger on my night stand and then turned the phone away from my direction so it couldn’t pick up my face - and that worked. The alarm went off normal.


Just playing with the phone and the alarm, if I set an alarm and it goes off, it continues to go off until I hit the button. However, when the alarm starts going off and I put my face in view of the front of the phone, the alarm goes into that silent mode without me touching anything.


Try turning your phone away from you at night so it can’t perform the face recognition or turn that feature off.

Mar 19, 2024 6:41 AM in response to Jcryun

Same problem here, ringer was on, volume was on, alarm was set for 7:30. I wake up confused as to why it’s so sunny and I check my phone to see my alarm hadn’t even gone off and it’s 8:30. Apple has had so many small problems since they added their new wallpaper editor but this one is just completely unacceptable. What kind of smart phone (let alone the most expensive one) doesn’t have a functional alarm system??

Jan 9, 2024 7:17 AM in response to Jcryun

Yes it is very frustrating.

This is an on-going software problem Apple has yet to fix. They are very aware of the problem and are working on it.

I bought mine in September and called for help 5 times. We verified the problem even rebooted my phone twice.

Their advice was to find an alarm app and download it until the problem is fixed.


Note: there are lots of fixes shown here and many will work...for a while. The software problem is insidious and will come back in a week or so. If it is like mine it will start by missing occasionally or only play one "note" for a week or so before stopping completely. Very random.

Jan 25, 2024 8:13 AM in response to Jcryun

I have an iphone 14 and have been dealing with this issue since summer 2023. I have 4 alarms set on my phone for the morning and they will randomly not go off, and its usually linked to a new update coming out. Every time theres a new update becomes available, my alarms become intermittent and just won’t go off once a week or so. Its never consistent. I’m so freaking frustrated because I am trying to get a job at my kids school and my kids have been late by a half hour 16 times this year because of this issue!!! Not to mention that once my son starts to take the bus, this will create a whole new issue because I can’t drive!!! Get this fricking fixed apple!!

Feb 8, 2024 10:08 AM in response to Jcryun

I went to settings and typed "sound" in the search bar. Scroll down to Sound Recognition, click on it. Then click "back" in the upper left hand corner. Scroll down to Face ID & Attention. click. Then disable "Require Attention for Face ID" and "Attention Aware Features". It may work if only "Attention Aware Features" is disabled. I have tried it yet, but since I don't use Face ID, I just disabled them both. I have tried it several times and the alarm seems to stay on with volume...

Mar 21, 2024 6:36 AM in response to Jcryun

After I updated to iOS 17 my alarm stopped making noise too, but only for my first alarm of the day at 5:30am. It would work just fine for all of my other scheduled alarms throughout the day. I tried for months to fix it using recommendations from various online sources, with no success.


I finally fixed it by doing a factory reset. No issues with my alarm working ever since (just a pain to have to personalize all my settings over again)!

iPhone 15 alarm not working

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