Microphone stops working regularly

Same thing here after upgrading to 15.4.1. Really sounds like a bug related to the privacy settings giving apps permission to the microphone. The part I don't understand is why it's limited to the built-in microphone. Everything works fine when I use a bluetooth headset.

web_ed Said:

"Microphone stops working regularly: Thanks for the links, TheLittles. Yes I had already gone through Apple support links previously, and nothing solved the issue, which is why I decided to post the question here......"

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You are welcome.

Reset All Settings:

This this is intermittent, correct? Before deciding if it is a hardware failure, try resetting all settings.

1. Go to: Settings
2. Tap: General
3. Tap: Transfer Or Reset iPhone
4. Tap: Reset
5. Tap: Reset All Settings
6. Enter: your passcode (if prompted)
7. Tap: Reset All Settings

web_ed Said:

"Microphone stops working regularly: […]My gut feel is that it may be something linked to lingering Bluetooth interference[…]”

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Single-Out Bluetooth:

Bluetooth works on its own frequency. So, only Bluetooth devices would give you issues. So, if you have Bluetooth enabled while performing this, then interferences may occur. Bluetooth might go within a 20 or 30 feet radius at max. So, disable Bluetooth on any device in a 30 foot radius. Or, just disable Bluetooth on the iPhone, if you have no need for it while on the phone.

web_ed Said:

"Microphone stops working regularly: Thank you for your input, TheLittles. [...]Probably a hardware issue after all."

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You are welcome.

Get this iPhone Serviced:

Indeed, this seems to be a hardware issue, given the troubleshooting we have tried here. So, see if Apple can assist your over-the-phone. Also, ask about setting up a Genius Bar Appointment at your local Apple Store to fix this.

Apple Contact Info:

• Contact Us - Choose Locations
• Proceed from there, as necessary
• Why the Wait: Phone calls are taking a bit to go through at the moment, due to lots of calls. With the Coronavirus Pandemic, many are at home at the moment, with much time on their hands to contact Apple. So, just stay on the line, and you will get through :)

Or...

Contact an AASP: 

1. Go Here: Find Locations - Apple Authorized Reseller
2. Click: Service & Support
3. Enter: your location information
4. See: if there is an AASP nearby
5. Contact: an AASP that shows up, and find out more about the services that they offer to fix the battery

𝐓𝐫𝐲 𝐚 𝐇𝐚𝐫𝐝 𝐑𝐞𝐬𝐞𝐭:

1. Press volume up (quickly)
2. Press volume down (quickly)
3. Press and hold the power button until the Apple logo ( ) appears

If that didn’t work, it could be a hardware issue. ⚠️

Get expert service and support at the Genius Bar.

▷ Call 1-800-MY-APPLE or get help here. 

Same problem here after updating to iOS 15.4. Also I cannot place or receive any calls, they all drop. I have a second phone that I didn’t upgrade and it works fine.

i read a lot of forums and many people are experiencing the problem. Hopefully Apple will notice that the upgrade created a compatibility issue.

i think we need to wait for a new update of the iOS that fixes that.

web_ed Said:

"Microphone stops working regularly"

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Troubleshooting iPhone Microphone:

A Few Links that May Help:

• If you Hear No Sound or Distorted Sound from your iPhone, iPad, or iPod touch Speaker - Apple Support

• If the Microphones on your iPhone aren't Working - Apple Support

• Control Audio Playback on AirPods with iPhone - Apple Support

• Adjust Audio and Visual Settings on iPhone - Apple Support

• Adjust the Volume on iPhone - Apple Support

• Volume Output: If you Can't Hear a Person on a Call or Voicemail or if the Sound isn't Clear on your iPhone

• Volume Input: if your Microphone isn’t Working or People Can’t Hear you While you’re on a Call

web_ed Said:

"Microphone stops working regularly: I’ve been to the local Apple service center, they ran a hardware diagnostic - all normal, no issues detected. Apps tested in the sho, all working normally. […]Back at home the microphone worked - but now has stopped working again on Wifi calls[…]“

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Thank you for the followup. Report back how the factory restore works.

A. Single-Out this Router:

What happens when you try it on a different Wi-Fi LAN (Local Area Network)? If you have no issues, then it may be an issue with your router. So, start with restarting your router.

B. Single-Out the LAN:

See what happens when you try this elsewhere. Ask a neighbor if you may try their network. Have no neighbors? Then try this at school or work (if permitted).

C. Contact your ISP:

Ask you ISP (Internet Service Provider) if they have had any reports on Wi-Fi calls. It may be a bug they have yet to fix.