iPhone alarm is silent randomly

Hi everyone,

Since a few weeks it happens that my alarm clock doesn't come on with sound every time. When I wake up and set it just for checking, it rings again. It happened about 5 times, one time I woke up while it was alerting, but only the screen showed the alarm.

I really depend on this alarm clock but I can not trust it anymore :-( what to do?




[Re-Titled by Moderator]

Posted on Jul 12, 2017 11:20 PM

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Posted on Apr 24, 2020 7:21 AM

My alarm was also going silent after a single alert. Just started doing this after I got a replacement and figured out that it was because "Attention Aware Features" was turned on. When I turned the feature off, alarm started working as normal. I think the feature turns alarm to silent as soon as I move it or it recognizes my face ID.


To turn it off go to Settings-->Face ID and Passcode--> Attention Aware Features = off

318 replies

Aug 9, 2018 7:05 AM in response to janafromstolberg

Has anyone been able to successfully fix this issue and successfully been able to prevent this from happening in the future? For me, all of the suggestions that have been listed only temporarily fix the problem. I will use the same alarm for days and weeks at a time with no issues. Then for no reason, the same alarm that has worked for many many days in a row, will go off as scheduled, but only vibrates, NO SOUND! Again, nothing was done to the settings of the already existing alarm. All I did was click the existing alarm to "on", and for some reason, the sound does not go off.

Sep 23, 2018 9:11 PM in response to JoeFridayChattanooga

Ya mine just did it second day running. Late for work again 🙄

Off to buy an alarm clock tonight.....


Thing is my last iPhone (SE) used to do exactly the same. No calendar alerts, no second alarm, ringer not silenced nor turned down. Like I said before if I hit the snooze button, 9 minutes later it sounds with all the bells n whistles.


Almost makes me wanna defect to Samsung. Almost but not quite lol

Sep 30, 2018 5:04 AM in response to douglas2010

I had this problem with my old iPhone also- thought it was because it was old (was having several problems). Bought the iPhone 8 Plus & updated it yesterday... 1st alarm I set this morning did same thing. I heard it & hit snooze but never heard again. When I did wake up (late) the screen is on the alarm but NO sound at all. Very frustrating (especially since we pay so much $$$ for these devices). I hope they can get this fixed ASAP. Meanwhile buying a backup alarm today...

Nov 2, 2018 4:11 AM in response to janafromstolberg

Same here. I don't keep my volume up for anything and never had this issue before, until the last couple software updates. The alarm volume had ALWAYS been a separate entity, as it SHOULD be. It should never be dependant on the ringer VOLUME or the volume of anything else. Please fix it Apple. I've been in the cell sales game since before the very first iPhone was released and this has never been an issue. Boo.

Nov 2, 2018 4:18 AM in response to lateforwork2

For that, use do not disturb. In any case, it's quite annoying to get up late, or not at all, because of this glitch. I've sold cell phones since before the first iPhone was released and have owned every iPhone on the market and never had this issue until about the release of the iPhone in September and, subsequently, the new software. Neither have any of my thousands of customers. Trust me when I tell you I'd have heard about it by now and I'm getting sick of hearing if since September. The alarm volume should be independent of ALL other volume controls.

Nov 16, 2018 12:56 AM in response to janafromstolberg

This is so frustrating to see how Apple is not even caring about one of the critical bug.


When I wake up, I see bedtime display with NO SOUND!

Alarm/bedtime is supposed to make SOUND.


At times I have doubted myself. But after reading this thread, I'm sure that my ears are fine.


Also, in the bedtime Options, there are not many good sounds. All are very low in volume. However, in vibrations, I see a ton of options along with "Create New Vibration"!!. Who the **** is the product manager for this? You are trying to construct a fine building without a basement.!


I would be really happy if this bedtime never works. I would've used some other phone for the alarm. But sometimes it works. That the problem of uncertainty. First, fix this random bug and then add more sounds. Later you can let kids create custom vibrations!

Nov 19, 2018 6:55 AM in response to bigdogfur

bigdogfur wrote:


You sound like an insufferable know-it-all.

You're certainly entitled to your opinion. It's unfortunate, of course, that you think being rude to people you've never actually met is acceptable. I'm not sure what caused you to get your knickers in such a twist. I agree with you that it's unfortunate that this is a problem. Like many people here, I'd prefer a completely separate setting for the alarm volume. I've let Apple know that.


Let me ask you, am I wrong in saying that 1) there appear to be multiple causes for alarm problems and 2) doing a restore to factory settings and testing is a valid troubleshooting step?

Mar 13, 2019 10:50 AM in response to lazyray

Didn't read it all through but someone said before that:

If You're setting multiple alarms, they mess up with each other if You snooze them.

I've noticed the same issue even if I don't snooze them.

I'm having problems waking up, therefore I set multiple alarms. One is definitely not enough. The excuse that my alarm didn't work is not trusted anymore. It's been too many times.

So, I've got few questions:

1.How long will the alarm sound until it stops. (I noticed that it is the specific amount of time)

2.In how many minutes is it going to ring again? (if it will)

3.How many times will it repeat this cycle?

4.What's gonna happen if one alarm is working, and there is another one comes up? Which one is gonna sound? If the first one will start ringing, then will the second start ringing after the first one is off?


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iPhone alarm is silent randomly

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