iPhone 7 Microphone not working after iOS 15.7.6 Update

My iPhone 7 (yes, I still have an iPhone 7) was working perfectly until immediately after I installed the 15.7.6 update. Since then, I can no longer pick up phone calls - the audio / speaker symbol is greyed out when I make calls or receive calls. The only way I can take a call is by using my AirPods. In addition, if I try to record a Voice Memo, nothing happens - I'm unable to record. After some online sleuthing I went ahead and reset all settings, and immediately afterwards the microphone functioned again, implying that the issue is software related, not hardware related. But the celebration ended quickly as the microphone stopped working again within a few hours....


Is anyone else facing this situation and is Apple taking a look at this? What can I do to solve the issue? Thank you in advance for your help!


[Re-Titled by Moderator]

Earlier iPhone models

Posted on Jun 1, 2023 1:21 PM

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Question marked as Best reply

Posted on Oct 23, 2023 7:33 PM

Issue: My iPhone 7 Plus was working perfectly until immediately after I installed the 15.7.6 update. Since then, I can no longer pick up phone calls - the audio / speaker symbol is greyed out when I make calls or receive calls. The only way I can take a call is by using my Apple Watch. In addition, if I try to record a Voice Memo, nothing happens - I'm unable to record.


Triage and seeking support from Apple:


I went ahead and I did factory reset and also reset all settings, problem did not resolve.


I called Apple customer service and they mentioned that it is hardware issue and suggested me to visit apple store.


I visited apple store, and they said it is hardware related issue and asking me to pay $349 to replace whole hardware unit since they cannot replace just microphone/speaker. Touch ID button sometimes does not work. They completely ignored this.


Questions that is still unanswered:


  1. If it is hardware related issue, then why did phone work before upgrading to new OS version?
  2. As a customer, I am not at fault OS version compatibility. What Apple can do resolve it?
  3. In the store, they mentioned that it is an issue with carrier. I swapped sim with another phone and confirmed that is not an issue with carrier.
  4. No satisfactory response was given by West County Manager in St Louis MO when I mentioned. this phone stopped working after OS update.
  5. Store updated OS to most recent version and problem is still not resolved.
  6. I am sorry to say that it is like forcing customer to buy new phone after introducing issues in older phone with OS update. This is an unethical behavior. Can someone please help?


75 replies

Oct 24, 2023 6:49 AM in response to Alancito

Thanks Alancito.


I don’t have original battery, but I got it replaced with genuine Apple battery in Apple Store in the year 2022 or 2021.


It is at 86% capacity. I called Apple customer care since Apple Store asked me to do that. Apple customer care ran diagnostics and there were no hardware issues. I have saved chat for future reference, so that I can proceed for formal complaint for this unethical behavior by Apple.

Nov 4, 2023 4:34 PM in response to BonovoxParis

I have the same problem on IPhone 7plus mobile. Just got off the phone with Apple Support 5/11/23. I was Told they can not help me my phone is too old and will not pay to fix a software issue with microphone. This issue was caused by my installing their update 15.7.7 when I noticed no incoming calls connecting. I had been using my iPad 14 pro with no problem as I usually pick up calls on there. Apple support are not going to help… phone to old. How ridiculous is that? Microphone issue. You would think to continue using the iPhone I would be able to uninstall the software off. We update and expecting Apple to be trustworthy enough that we are doing the right thing. Was this a planned issue to make phone unworkable to then buy another mobile? With there in difference to the issue.. this is how Apple Support comes across to me. Not only that if I post iPhone to Apple store nearest 3 hrs away, will cost $588.95 to have a look and diagnose, if cannot fix some money back. We know the issue it’s utterly shameful of Apple. RIP IPHONE 7.. not happy 🥲

Nov 8, 2023 3:15 PM in response to BonovoxParis

I also am experiencing the same problems; speaker button grayed out, microphone unable to dictate notes. I can send and receive text messages. Cellular service is working fine. When I call someone or they call me, phone rings but can’t hear the caller and they can’t hear me. I updated iOS to 15.8 and same problem; no change. I have been a loyal Apple user, this is very disappointing because now it’s going to cost me $900 for a new phone.

Nov 22, 2023 8:04 AM in response to BonovoxParis

I have 7plus and the mic is just getting worse with every ios update. Now i have 15.8 and i have a lot of people telling me that they can not hear me or barely understand what i say. I just rebooted using volume down + lock button together ( so keep them pressed and when you see the logo, release the buttons) and this fixed the problem for the moment. I hope they will do something to fix this. My Iphone is in great condition and there is no need for a new one at the moment. I though is just my phone but this is a software problem

Dec 27, 2023 5:53 AM in response to Sean_B1

I have the exact problem verbatim and I’ve checked everything mentioned above. The update changed the phones ability to work. It worked flawlessly before the update. So it’s the update that has done this because logically the steps show me that. What to do next as I’m not going to pay for service to a phone I didn’t break. Please guide me. I’ve spent thousands upon thousands of dollars on apple products.

Jan 26, 2024 3:37 AM in response to BDU23

Thank you for the tip. I tried the reboot as per the above, I still

can't initiate What's app calls or receive calls. As for the normal phone function, the mic is greyed out.


I am also holding the 7+ iphone with iOS 15.8.


There is nothing wrong with my SIM as I swapped over to an Android Redmi and the phone calls were perfect, loud & clear.


It is the issue of iOS updates! Apple pls do something about the buggy iOS 15.8 and stop blaming old hardware issue or carrier issue. The issue is Apple iOS for phones.


May 22, 2024 10:35 PM in response to BonovoxParis

Hi everyone,


The same thing happened to me last week. My iPhone 7 was working perfectly, but after updating to iOS 15.8.2, I couldn't make phone calls because the microphone was muted. Additionally, Siri stopped working, and the dictaphone was also non-functional, just like many others in this chat have experienced.


I visited the Apple Store in Paris on May 22, 2024, and they told me the same thing: the hardware was broken, and there was nothing they could do.


I am deeply frustrated by this situation. I've heard a lot about these updates causing issues with perfectly working iPhones, but experiencing it firsthand is another matter entirely.


Just for you to know, I watched a video about mic issues on iPhone 7, and it suggested resetting your network settings (Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings). I tried it, and it worked for a few calls, but then it became buggy again (people on the other side heard a robotic voice or nothing).


You take care of your phone for so long, trying not to break it, trying not to replace it even if you don't have access to some of the apps, because ecology is important to you, and it gets broken by Apple itself. Apple should be proud of people keeping their old iPhones, not harm them by shipping faulty software updates.


Let's wait, or switch to Android.

Jul 3, 2023 12:50 PM in response to BonovoxParis

BonovoxParis wrote: "Hi there, I actually changed the battery about 12 months ago. Maximum capacity of the new battery is currently 82%. How does this relate to the microphone not working?"

A weak, original battery may not supply sufficient power to the microphone to capture sounds. Was the battery changed by a qualified technician using a genuine iPhone battery?...


About genuine iPhone batteries


Repair Provider Verification - Official Apple Support


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May 23, 2024 3:45 AM in response to hippolyte193

hippolyte193 wrote: "94% so the issue is not there"

Not necessarily. 94% max capacity in an iPhone 7 implies the battery has been replaced. So was that done by Apple or other qualified technician using a genuine iPhone battery?


...I ask because the article linked below says: "Using nongenuine batteries might also result in unexpected behavior after installation, device software updates...":


About genuine iPhone batteries


Repair Provider Verification - Official Apple Support


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Apr 22, 2024 12:48 PM in response to BonovoxParis

Hi All - Did anyone manage to resolve this issue without paying a hefty sum to Apple 🍏 store?

I encountered exactly the same problem since end of last year but still no resolution despite following all the steps of Apple Customer Care Service centre who confirmed that nothing seems apparently wrong with the hardware after investigating into the diagnostic software collected.



iPhone 7 Plus Core Problem: Unable to make or pick up phone calls.


  • This happens even after I've updated to the latest and greatest 15.8.2 this week.
  • Phone automatically disconnects all types of calls - normal plain vanilla native phone call, FaceTime audio/video, WhatsApp, Messenger calls or even using any other phone app software


Another stark discovery is that the Mic doesn't work at all in all situations! i.e.

a) There is no sound recorded in videos even if you use both the front and back camera!

b) Nothing at all happens and nothing gets recorded if you press the red recording button of Voice Memos! Apples native "Voice Memo" app doesn't work due to this "Mic" issue after latest iOS upgrade!!


As a last resort, I also went ahead and did a complete factory reset. i.e. I reset all the settings - erased and deleted all data and apps but yet the "Mic" problem still persists and I'm still unable to still make or receive calls as the phone simply gets disconnected the moment it connects.


Clearly, it is evident that this is not a hardware issue and that Apple is very well aware that this microphone issue is a result of malfunctioning iOS recent updates.


Hi Apple - PLEASE FIX YOUR iOS PROBLEM and be accountable. Please don't unethically force your extremely loyal customers who have stuck with your brand thick and thin for so very long into forced product obsolescence. This isn't the way it should be!!


I'm hoping something can be done soonest to get this iPhone 7+ fixed soonest!


This was a perfectly working phone before and I'm certain nobody will want to incur any additional costs as its an inherent software issue and not a wear and tear hardware problem!!! :( 😞😭🥲☹️😢


iPhone 7 Microphone not working after iOS 15.7.6 Update

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