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iPhone 7 Plus Phone Call Sound Quality

So we just got 2 new iPhone 7 Plus' and I am noticing that the incoming call audio quality on both sounds strange. I have the Apple leather case on the phone and incoming audio sounds distant. Like it is coming from behind the phone or something. It almost sounds like the phone is on speaker phone but it isn't. Turning the volume down helps a bit but it seems off. Previous I had an iPhone 6 so I don't know how this compares to the 6 Plus.


Any help is appreciated!


Thanks!

MacBook Pro with Retina display, OS X El Capitan (10.11)

Posted on Sep 16, 2016 11:36 AM

Reply
Question marked as Top-ranking reply

Posted on Mar 2, 2017 5:26 AM

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The iPhone 7 (Photo credit: John Taggart/Bloomberg)

With the launch of the iPhone 7 and iPhone 7 Plus, Intel finally made its way into Apple's most important product. Good news for Intel, no doubt, but not for consumers.

Tests of LTE connectivity, released on Thursday by Cellular Insights, show a huge performance gap between the iPhone 7 equipped with an Intel modem and a Qualcomm modem. The difference in performance is a black eye not only for Intel, but also for Apple, which for the past five years had relied on Qualcomm exclusively for its iPhone modem chips. With the iPhone 7, Apple decided to make two versions -- one with an Intel modem and one with a Qualcomm modem. (Neither Intel nor Apple have commented on the performance gap so far.)

For consumers, the downside of owning an Intel version is significant. The tests revealed that Qualcomm-powered iPhone 7s are able to consistently establish stronger connections to LTE networks than Intel-powered iPhone 7s. Qualcomm modems outran Intel modems by 30% in overall performance, and 75% when the signal was at its weakest.

Since writing a story about these modem benchmarks, readers have asked FORBES -- directly and via Twitter -- how to make sure they're buying the better iPhone 7 with a Qualcomm modem. If you want to get the best bang for your buck, you probably should be careful which iPhone 7 you end up buying.

Here are some ways you can make sure you're not buying the inferior iPhone 7.

Model number

As this Apple spec page shows, Apple created two distinct versions of the iPhone 7 and iPhone 7 Plus to segment out devices with an Intel modem or a Qualcomm modem.

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By checking the model number on the back of the iPhone 7, you will be able to tell:

  • Model A1660 and Model A1661 means they have a Qualcomm modem.
  • Model A1778 and Model A1784 are equipped with an Intel modem.

Carriers

If you're a United States-based customer buying from a carrier, the best way to make sure which iPhone 7 you're getting is:

  • Verizon and Sprint sell the Qualcomm-powered iPhone.
  • AT&T and T-Mobile sell the Intel-equipped iPhone.

The Apple spec page indicates that the Intel-powered

A1778 and A1784 phones won't support CDMA (or code division multiple access), a cellular technology used on some LTE networks. That means an Intel-powered iPhone 7 simply won't work on CDMA networks, such as Verizon's and Sprint's.

Qualcomm's modem works on all the four big carrier networks in the US. And o

verall, Qualcomm's modem supports a much wider variety of cellular technology than Intel. Qualcomm hardware supports GSM/CDMA/WCDMA/TD-SCDMA/LTE, while Intel's only support GSM/WCDMA/LTE. That means that in addition to improved connectivity performance with a Qualcomm modem, Qualcomm can work on more networks.

Apple also sells unlocked versions of the iPhone 7 and iPhones 7 Plus that

come with a Qualcomm modem.

The relationship between modem makers and carriers is a close one. Supporting various cellular technologies is extraordinarily complex. Each carrier has their own unique network demands and features. Qualcomm has been in this game a lot longer than Intel, and as a result, it has a lot more to offer the consumer, according to experts.

“Building modems for today’s cellphones is an extremely daunting task,” said Sundeep Rangan, an engineering professor at New York University who specializes in wireless technologies. “It has to support a dizzying array of features and get the chips down to a form factor and low power performance.”

Follow me on Twitter @aatilley or send me an email: atilley@forbes.com

504 replies

Jan 11, 2017 8:47 AM in response to Steven Fisher1

I also experience audio problems on phone calls with my new iPhone 7.

I can hear the caller fine, but they cannot hear me, especially when I use the lightning headphones.

Will try a couple quick fixes provided http://www.trustedreviews.com/news/iphone-7-problems

but if it still does not work, will call into Apple see if they can help me.


I log this comment, so Apple will be aware that there will be more clients coming of the same issues

Jan 11, 2017 12:56 PM in response to draude71

I am having the same problems. Also I am having issues with others hearing me. I have to constantly move my mouth almost touching the mouth piece to get people to be able to hear me okay. Another problem is when lean the iPhone 7plus on my shoulder to talk and walk around & multi task everyone tells me that can't hear me. I have also had other iPhone 7plus users tell me they are experiencing the same thing. I have already been to the Genius Bar... rec'd a replacement and I am still experiencing these issues! Apple needs to fix this immediately. I have the most up to date phone on the market and I can't even make a regular phone call cause no one can hear me.

Jan 11, 2017 1:26 PM in response to Steven Fisher1

With all the conversations I've had with Apple Engineering and the diagnosis and log taking I'm convinced more than ever that it's a noise cancelling issue related to the rear microphone. I suspect it's a software issue which could be rectified in an IOS update, first Apple have to acknowledge the fault exists, herein lies our main problem....

Jan 11, 2017 7:24 PM in response to Steven Fisher1

I don't know if someone already said this but: this was happening between my iphone 7 and my husband's android. He went into the settings on his android: 1) settings 2) advanced calling 3) turn off advanced calling. This turned off the high def voice option (which verizon recently notified him was a new thing for his phone) and now our calls sound normal again. You can do the same thing on your iPhone just google "turn off hd voice on iphone" if it's happening iphone to iphone.

Jan 12, 2017 12:57 PM in response to red1mp

I was having the same sound issue on calls when holding the phone to my ear. I have an iPhone 7 plus. As mentioned in previous posts, it sounded like the sound was distant, and coming from the back of the phone.


I went into Settings->General->Accessibility, scroll down to Phone Noise Cancellation and turned it off.


This fixed it for me. Hopefully it can be fixed in an update.


"Noise cancellation reduces ambient noise on phone calls when you are holding the receiver to your ear."

Jan 12, 2017 1:56 PM in response to Steven Fisher1

I am going to take my iphone 7 in to see if I can trade it in for another iphone 7. My apple store is totally booked so they are suggesting I go to best buy. Has anyone had good experience with the apple techs at Best buy or is it better to wait for the genius bar? I want someone who will understand my issue and let me try another phone. I have tried everything and even called and chatted online with apple..

Jan 17, 2017 4:59 AM in response to Steven Fisher1

Same problem. No one can hear me. I have to cup my hand over the bottom of the phone and amplify my speaking in order to be understood. One Fruend told me it sounded like I put the phone in a sock and was talking through it!


This is my second 7plus. Came from a 6sPlus...no such problems there. On TMobile US. Apple suggested all the same things I've heard here: Switch LTE to data only, turn off noise cancellation....nothing works. Love the camera, but at its core it's supposed to be a phone....

Jan 17, 2017 5:05 AM in response to Steven Fisher1

We have the same issue as well

Iphone 7+ 256GB on Tango operator in luxembourg.

People are complaining they do not hear me well. My voice sounds muffled and distant.

The phone was bought from the carrier and i will put it in for exchange.


Noise cancellation off does not work.


Too bad this is outstanding since September and no resolution has been found yet.

Jan 20, 2017 8:40 AM in response to Steven Fisher1

Hi Steven. I'm having the same problem. I've had 2 replacement iPhone 7 Plus' and the problem still exists. Even replaced the sim card in one of the 3 phones... Am checking with the carrier Bell Mobility but they're being their typical unhelpful selves.. Waiting to hear back from the Mac guy who gave me the 2 replacement phones...


Did you get your problem solved?


Tracy

Jan 27, 2017 7:41 PM in response to Sonjamaj

So, I am back on the blog - my wife's phone is back to having issues. It was replaced by the genius bar and soon started having the same issues. We took my phone, which I was having no problems with and swapped it with hers. Swapped the SIM and did a back-up / restore on the opposite phone so that she now was using my phone hardware with her SIM. And I was using hers. Well, she still has the same problem! We had previously replaced the SIM, so we believe that is not the problem. What we are thinking now is that the frequency of her voice is not compatible with the algorithm that the iphone 7 uses between all of the microphones? Apple - Could this be possible? We have tried everything else? It seems as though the only resolution would be to get a previous version - downgrade, or try a different brand.

iPhone 7 Plus Phone Call Sound Quality

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