Loud crackling noise then iPhone 12 shut off

I was scrolling through tiktok at a low volume when my phone randomly made a loud cracking sound and then shut off. It almost sounded like an electrical short. Phone rebooted on its own and seems fine. Very strange for a brand new Apple iPhone 12....

iPhone 12, iOS 14

Posted on Nov 28, 2020 9:25 PM

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Question marked as Best reply

Posted on Aug 22, 2021 4:24 PM

So what I've determined is we've all had exactly the same issue, no one knows what it is, and Apple hasn't replied here but I went ahead and did a support chat and here's what I got:


  • Okay, please be assured that your iPhone is secured and the iOS that you have on your iPhone has the best security in the market.
  • Let me explain a device restart can be caused by the App that you are using at that time or any system issue.
  • All the discussion and the feedback are checked by the Apple engineers on a regular basis. Also any issue that is occurring or needs to be checked is also escalated to the team so they are aware of any system issue and work on it to resolve it.


That's as far as I got.

216 replies

Loud crackling noise then iPhone 12 shut off

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