iPhone 5 bad call voice quality

So, I took my iPhone 5 back to the Apple store, where I swapped my phone with a Genius (iPhone 4S) and with the ambient noise in the store, he was able to hear the issue. Actually, he couldn't make out a word I was saying - he listening to my phone, me talking into his phone.

My iPhone was swapped and all good until a call today, with a guy in a call centre. Once again, I struggled to hear what he was saying as my iPhone cut him in and out.

It looks like this issue is here to stay... :-(

Got a new one from apple store yesterday (production week 45, factory DQ Foxconn) and I successfully made a call over 30 minutes. I called the partner her landline connection and she was amazed about the good sound quality.

What I noticed is a significant difference regarding the earphones: I started with the old ones which I prefer and had an increasing number of hiccups after a few minutes. When I switched to the new earpads the sound immediately got better, the hiccups disappeared. Take home messages: Don't use old earphones

Obviously, one day is not enough to get to a final result, but my first iPhone 5 didn't make it to minute 30.

Update :

Provider : Telus

Number of Iphone5 in our compagny : 75

Issue : only occurs between Iphone5 . Doesnt occur between iphone5 to iphone4 or other cell ou landline

Troubleshooting done : Everything ! lte to 3g , audio mode modification , try with the ear phone , new beta ios , restore .

All our iphone are brand new out of the box....

Our explication for now : Iphone 5 use the wonderfull technology of HD-Calling . Hd calling is a new feature on iphone 5 . The basic of it is that the network and the iphone will use another codec to process the voice. The codec is just using more bandwith to make the call more clear and precise. When that technology really work , you can really see ear the difference.

Bell and Telus may share the same tower , but after the tower they have their own network !

Our final test : 5 iphone on 75 are unlock from telus .

Test 1 : 2 unlock Iphone5 on telus try to call each other ( first test LTE , second 3G )

Result : call quality suck

Test 2 :

Same 2 unlock iphone5 but we put a bell sim card in ....

Result : wow , call quality more than perfect . Way improve compare to iphone 4

Result final : Most likely the problem is on the provider side. To me it sound a network problem or telus is simply using another codec that doesnt work very well with iphone5.

Either way , it sound to me that the issue could be resolve by 2 front : either telus fix something on the network or apple fix the way the iphone5 work with that specific codec .

For now : telus has escalate the issue to their tier3 .

Hope this help...

Patrice

( sorry for my bad english , i am french canadian )

This is what I did and now I can actually understand what the other person is saying. Go to Settings > General > Accessibility > Hearing Aids and there turn Hearing Aid Mod on. Thats it. I just had to lower my volume but it seems to work fine for the time being.

@Essinka : We tried that too but no luck... without lte , with hearing aids , : the quality does improve by maybe 5 to 10 % but when we place call iphone5 to iphone5 ( with same config ) there is still a lot of static.....

Patrice

Same problem. I think is the noise cancelling software....

Hello, everybody

I would like to make a statement...

I know that this sounds silly and obvious let say but, here is the thing

"did everyone remove the screen protection cover that comes with the mobile phone?"

I posted earlier that I'm having the same issue. Yesterday I went to the premium retailer store of apple products which I bought the phone from to swap or refund my money and when I told them about the problem they said

to me we didn't receive reports about this but they said one customer have had his mobile replaced because of the backlight of the phone doesn't go off when it is unused. They said to me remove the screen cover cause it's

blocking the speaker port... and I couldn't believe it..... is this really what causing the problem?!

I did some phone calls and the call voice was way better improved.

I'm speechless even though this phone has issues for instance, slow response taps

but as a basic thing (call voice) resolved for me

I think it's kind of a relief

I will test it for a week and see if I'm satisfy with it

My phone info:-

Serial number: F2******39C

Model: A1429

Production year: 2012

Production week: 43 (October)

I guess I'm just lucky.

:

<Personal Information Edited by Host>

For those people to whom the above statement applies, I hope that you kept your iPhone boxes, because you are clearly too stupid to to be using such a device and should box it for someone else to use.

@CertaintyManagement

Woo... hold your horses and don't speed up so that you don't trip on your face.

yah yah this device is so brilliant compared to what is out now

waoo is there really a one word described -bushitsuke- human being exists around here

or around apple related stuff

well, the thing that I posted previously was sort of just a big joke or lie (not all of the story)

just wanted to change my frustrated mood caused by this mobile phone

P.S. still bad call voice quality

@Layol :-) I like it.

UPDATE:

I tried 2 days ago what Essinka did:

Go to Settings > General > Accessibility > Hearing Aids and there turn Hearing Aid Mod on

Serious improvement, everyting is still loud an clearly now :-)

I only hope that it stays because before I tried also home + on/off switch trick and everything was ok for about 2 days;

I also did a factory reset with Itunes and it was ok for 5 days so now I'm really hoping that this simpel option is the permanent solution to this stupid problem.

THX a lot Essinka for this post

Will post in a few days with the result.

@R_odec

Is it possible that I have to turn Bluetooth on to use this setting? Could you please check? :-)

@kcn81

Yes, you need to turn Bluetooth on.

You can turn your Bluetooth off, it is not required.

When i said it was needed to turn bluetooth on, was to turn Hearing Aid Mod on. After that it can be turned off.