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iPhone7 Bluetooth issue in the car

My brand new Iphone7 seems to have bluetooth problems in my car. Everything works but the sound drops sometimes (often) when I listen to music. I didnt have this issue wiyh my 6s and IOS10. I tried to reset everything but the problem persists. The iPhone is recognized by the radio inmy Toyota, but the sound drops just as it was a radio in a tunnel.

iPhone 7, iOS 10

Posted on Sep 21, 2016 4:03 AM

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Question marked as Top-ranking reply

Posted on Jan 5, 2017 9:18 AM

I provided this to the techs weeks ago, but it seems like there was no headway. So here are the results of my trials for everyone to read:


I work in an environment where I have access to soundproof rooms. The walls are steel with padding and are about 6" thick (solid). These are "dead spots" for wireless in my building, which I surveyed and had to plan around because of the walls. I also work with deploying a lot of iOS devices, so most of my colleagues have an iPhone.


Testing environment:

I tested the area with an OptiView XG using AirMagnet Spectrum XT software. This device and software is used to measure the amount of Radio Frequency (RF) radiation in a given area to troubleshoot issues with wireless, and to help design wireless networks for large corporations. This helped me to ensure that there were no stray 2.4GHz interferers while testing, meaning that the only devices emitting 2.4GHz band RF were the "Devices" listed below (Beats Pill, Plantronics Backbeats, Braven BRV-1) and the phones.


Additionally, I tested the cars listed below in several environments with and without interferers nearby. These were less controlled, however mirrored the exact same results.


Stuttering/Skipping:

To show an example of the skipping sound that I am referring to, please take a look at this video: https://www.youtube.com/watch?v=kGHFDRVA958


Bluetooth devices tested:

  • Cars: 2013 Ford Focus, 2011 Toyota Venza, 2007 BMW 335i, 2006 VW Jetta
  • Devices: Beats Pill, Plantronics Backbeats, Braven BRV-1


iPhones tested:

  • iPhone 6s - No problems
  • iPhone 6s Plus - No problems
  • iPhone 7 Plus (AT&T, A1784) - Stuttering
  • iPhone 7 Plus (AT&T, A1784) - Stuttering
  • iPhone 7 Plus (AT&T, A1784) - Stuttering
  • iPhone 7 Plus (T-Mobile, A1784) - Stuttering
  • iPhone 7 Plus (Sprint, A1661) - No problems
  • iPhone 7 (Verizon, A1660) - No problems
  • iPhone 7 Plus (Verizon, A1661) - No problems
  • iPhone 7 Plus (Verizon, A1661) - No problems
  • There were two other GSM iPhone 7 Pluses that I trialed, but I don't have the model numbers in front of me to list to provide exact details. Both had issues.


As you can see, the issues are localized to the GSM models using the new Intel modems. This further solidifies the belief that there is an existing hardware issue and not a problem with software, interference, or other manufacturer's devices. I'm not sure what else I can do to troubleshoot with the Apple reps, but after spending upwards of $5000 with Apple in 2016, I can't help but to feel neglected.

707 replies

Nov 4, 2016 9:12 AM in response to MaxximMax

I kind of think that Apple is playing with LTE with its recent update. After using Audio Bluetooth in my car yesterday I noticed my LTE wasn't available.


Could be unrelated as Apple has always had better Wifi than LTE; and I occasionally need to restart my phone to get the LTE working again.


It says it is working but my iPhone can't pull data; after restarting the phone it pulls data at normal speeds.

Nov 4, 2016 1:28 PM in response to King of Pumkins

I would be perfectly fine if Apple would release an update that just automatically turns off LTE when streaming bluetooth in a car. In fact, I wish they would just release such an update right now, until they have a better fix.


LTE is great for watching videos and downloading files and doing things that require a lot of bandwidth. But there is no reason for it if all you are doing is streaming music, running navigation, and taking calls (this is the extent of what the majority of the population uses a phone for while driving). 4G works great for this stuff.

Nov 4, 2016 4:51 PM in response to RobbStumpf

I am in full agreement. This phone should not have been released with this crap going on. I spoke to an Apple Dev tech and he said it's a case by case. I told I'm just check the web and forums there are 1000's with the same problem. He acted like it just came up. Told him I'm a Developer and have 8 devices and am thinking of pressing a return if it's not fixed soon. My 6S+ worked flawless. But I'm one person and I'm sure I didn't scare anyone.

Nov 6, 2016 7:50 PM in response to tylerfromcamp hill

I have the same car and it's affecting Me too. It's driving me crazy. I'm running beta 10.2 and it still does it. The other day it just flat out wouldn't connect.

I reset network settings. Repaired. It connected and for about an hour whenever I got out of the car and back in it connected. Then two hours later I get back in the car and nothing.

Any change?

iPhone7 Bluetooth issue in the car

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