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iPhone X call quality issues

Hi


I seem to be having random issues with call quality. I’ve had several people now tell me that when calling them they can’t hear me or I sound like I’m underwater.


Problem is it seems to be very random.


I have tried 2 different cases (the second seems to be better) but I have also had the problem with no case on the phone.


The other day I was on a call which was fine. I got put on hold so put it on speaker and put the phone down. When they came back I took it off speaker but they couldn’t hear me. I tried tapping the back of the phone hard at the bottom and then suddenly they could hear me.


I’m now worried that I may have a loose microphone connection but I just cannot seem to replicate the issue.


I will book a Genius Bar appointment but I can’t get one for over a week so thought I’d do some back ground Work first.


Thanks in advance for any help.

Posted on Nov 18, 2017 12:35 PM

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Question marked as Top-ranking reply

Posted on Feb 19, 2018 10:09 PM

Reposting earlier fix with additional info explaining why...


Verizon customer iPhone X. Same problem. Phone works great except for phone calls. I sound muffled or underwater, but only sometimes. Other calls are perfect. Tried all of the fixes in this forum - Network reset, LTE off/on, full reset, wi-fi calls off. Noise cancellation off. With and without cover. Got a replacement phone from the Apple store. None of it helped and now I know why...


The issue turned out to be how I was holding the phone. There are three microphones on the X and one of them is located by the camera on the back of the phone. Even though I didn't cover it while holding the X (with fingers and thumb on the sides of the phone, I apparently was close enough to make that mic behave differently. When I move my phone-holding position in the same grip to the bottom part of the phone, the problems vanish. I have run through a series of test with my "complainers" and this seems to pinpoint the root cause. It's either user error or a design flaw, but there is a simple workaround. Hold the phone at the bottom of the case and definitely not near the top. Problem Solved!


Update as to why this works: Apple has designed noise cancellation into the talking side of the phone. (This is different than the noise cancellation in the Accessibility settings - those are for the listening not speaking). Anyway, there is a small mic on the back of the X by the camera. It's purpose is to listen for ambient noise (think crowded bar) and to cancel that noise from what it hears from the mics on the front at bottom of the phone. Those mics hear your voice talking plus they hear the ambient noise (crowded bar). The software "subtracts" the bar sound from what it hears on the front and the listener never hears the bar noise - just your voice. (You can test this by completely covering the back mic hole with your finger - then the listener hears the bar noise and has trouble hearing your voice).


Anyway, this is a really great feature - except that if you hold the phone near the top, it channels part of your voice into that back mic and it ends up canceling out all or part of your voice. So I have to hold my phone at the bottom and things work fine. This also explains problems with folding phone cases and issues when you are holding the phone between neck and shoulder.


I sure hope someone from Apple reads this. It would have saved me a lot of time if they had told me this when I complained...

107 replies

Jan 22, 2018 10:56 AM in response to ChadD1718

Restoring from update did not correct problem. The Senior advisor from apple did verify that there was a sound quality issue from talking to him on the iphone x vs the iphone 6s. The next step was to visit an apple store for further testing or exchange the phone again. I opted to return the phone as I was still in the 14 day return policy with 2 failed phones. I told him that while I really like the phone, this was way too much effort for a phone to get good call quality, that costs so much to buy. So now I am back to my iphone 6s - but at least I can hear callers and they can hear me.


Have been an Iphone user since the 3g - Thinking it may be time to jump ship and check out the Samsung phones

Jan 22, 2018 11:12 AM in response to ChadD1718

I’m convinced Apple have dropped the ball on quality and quality control. My 7+ was replaced due to call quality issues and the replacement exhibited the same fault. I went through all the Apple bull including you’ve restored from a defective backup reset as a new phone etc. I now have an IPhone X restored from the faulty 7+ backup which seems to be working fine at the moment at least until the next update. This disproves the garbage coming from Apple. They need to understand they’re producing defective goods and the defect has exited in 3 different models of IPhone. If the issue is the way we use them why did the call quality fault only start at the 7 series IPhone.

Jan 22, 2018 3:38 PM in response to red1mp

I’ll be the first to admit I’m a bit of a novice when it comes to the world according to Apple, my first product was an iPhone 4, amazing at the time but time moves on and here we are - iPhone X.

Since the death of Steve Jobbs someone is making a very poor attempt at stepping into his shoes, had he still been around I believe this anniversary product would have been developed 2 or 3 years in advanced its release and that release only announced once the product was working to the standard we all came to expect from him.

I believe it’s now profit before quality - “get it out there, we’ll patch it later,”

I’ve said it before and I’ll say it again “for this iPhone to be unable to perform its primary function flawlessly is nothing short of a travesty, shame on you Apple, your not what you once were and never will be, remember the boy who cried Wolf once to often.

Jan 22, 2018 8:21 PM in response to StevenBottrill

Verizon customer iPhone X. Same problem. Phone works great except for phone calls. I sound muffled or underwater, but only sometimes. Other calls are perfect. Tried all of the fixes in this forum - Network reset, LTE off/on, full reset, wi-fi calls off. Noise cancellation off. With and without cover. Got a replacement phone from the Apple store. None of it helped and now I know why...


The issue turned out to be how I was holding the phone. There are three microphones on the X and one of them is located by the camera on the back of the phone. Even though I didn't cover it while holding the X (with fingers and thumb on the sides of the phone, I apparently was close enough to make that mic behave differently. When I move my phone-holding position in the same grip to the bottom part of the phone, the problems vanish. I have run through a series of test with my "complainers" and this seems to pinpoint the root cause. It's either user error or a design flaw, but there is a simple workaround. Hold the phone at the bottom of the case and definitely not near the top. Problem Solved!

Jan 24, 2018 1:30 PM in response to StevenBottrill

My phone quality issue with the X seems to be narrowed down to when I'm in my car attached to Bluetooth. I drive a 2015 Hyundai Santa Fe. My iphone 6 had no issues when paired with the car. The X has an issue pretty much every time so now I have to use the phone speakers when in the car or headsets like airpods. Guess I'll have to start searching Hyundai forums too.

Jan 24, 2018 11:58 PM in response to webcrawler

This is Deja Vu, the faults being reported here with the X are reported elsewhere on this forum and the net on the IPhone 7, 7+, 8 and 8+ for. I can't believe after having call quality issues with my 7+ which were partially resolved by Apple I don't seem to have the same issue on my X tied to UK EE network though I updated to 11.2.5 yesterday and haven't made or received any calls since. The fault being repoted has been around for getting on for 18 months now and Apple haven't done anything about it, they're still racking the £$£$ in selling sub standard products why would they invest into putting it right if they don't need to. Once the battery protection IOS mod slowing down older Iphone's was made public Apple apologised and allegedly stopped doing it. With that issue still warm we need the call quality issue to be made public like the battery issue was, I bet something is done about it then. We the complainers are the mugs because we keep buying Apple....

Jan 25, 2018 1:31 AM in response to webcrawler

The Apple tech I saw originally after he replaced my phone mentioned if it’s a software issue the fix will be a long time coming if ever. I don’t know. I have to go back to Apple but I am just not in the mood to stand in the store for an hour explaining the issue no one can fix. It’s probably class action lawsuit material.... selling a phone that can’t be used as a phone.

Jan 25, 2018 10:58 AM in response to JnPC

I was at the Apple store last night expecting them to replace my phone. They did not replace it. They did have me reset my WIFI which basically erases ALL of your previously stored WIFI passwords for your home, office or wherever. Call quality at home is better. I haven't tried from the bluetooth in my car yet.

Feb 1, 2018 12:33 PM in response to StevenBottrill

I've just returned my 8+ (rather than an X) over this and problems with Bluetooth. Bought it on Sunday to replace an ageing 5. Initially I was very happy until I had some Bluetooth issues so I exchanged it - but after starting to use it seriously for phone calls it just about everyone I called started to complain they were struggling to hear me at times and it sounded like, yes, as you've said I was underwater (their exact words). I called someone back after they complained they were struggling to hear me - who said "Wow - you've fixed that phone, sounds great now" - I said "Nope, I stuck the SIM back in my previous iPhone 5".


Decided that its best to return it while the return window was still open. Problem is, now what? I was thinking about an X but from reading the stuff here, it sounds like its the same with the X? It's got to be software hasn't it?

iPhone X call quality issues

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