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Audio and motion issues with iOS 14.6 on 2 different phones

After installing iOS 14.6, my IPhone 11 Pro began to drop calls and skip and speed up songs when the phone moved ( e.g. “shake” during walking). When the problems persisted after a reset/restore and a reset/clean reinstall of apps, I upgraded to an iPhone 12 Pro, assuming it was a hardware problem. Today while hiking I was able to make calls successfully, but music audio was still unstable — randomly turned off, skipped ahead and back. And Siri randomly came on as well. Bug or feature?


Also what happened to the function “shake to shuffle?” It’s disappearance seems correlated with the audio problems. (But of course correlation isn’t causation.)

iPhone 12 Pro, iOS 14

Posted on Jun 19, 2021 11:38 PM

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Question marked as Top-ranking reply

Posted on Jun 21, 2021 6:09 AM

Hi michaelfrommonterey, 


Thank you for using the Apple Support Communities. We understand that you are having some problems with the music audio being unstable and Siri randomly turning on and we are happy to help! To resolve help us isolate and resolve the audio problem follow the step found in the Apple Support article If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker. If you use headphones follow the steps in the Apple Support article If your headphones don't work with your iPhone, iPad, or iPod touch.


Please also note that the “Shake to Shuffle” feature is not a feature available on the current iOS. For additional information check out the Apple Support article How to shuffle music on your iPhone 


Have a good day. 

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4 replies
Question marked as Top-ranking reply

Jun 21, 2021 6:09 AM in response to michaelfrommonterey

Hi michaelfrommonterey, 


Thank you for using the Apple Support Communities. We understand that you are having some problems with the music audio being unstable and Siri randomly turning on and we are happy to help! To resolve help us isolate and resolve the audio problem follow the step found in the Apple Support article If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker. If you use headphones follow the steps in the Apple Support article If your headphones don't work with your iPhone, iPad, or iPod touch.


Please also note that the “Shake to Shuffle” feature is not a feature available on the current iOS. For additional information check out the Apple Support article How to shuffle music on your iPhone 


Have a good day. 

Jun 21, 2021 9:14 AM in response to i_rina

The problem ares are:

  1. With music, an abrupt loss of audio or skipping of songs while moving (hiking)
  2. With phone, abrupt loss of phone calls while moving (this morning, walking around the kitchen)
  3. With phone, Siri suddenly turning on


In every instance I was wearing headphones.


Initial problems were with my iPhone 11 Pro. Problems persist with my iPhone 12 Pro, which suggest a software problem related to movement.

Audio and motion issues with iOS 14.6 on 2 different phones

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