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A comment on FBI's ability to legally access secure messaging app content and metadata [pdf]. Parent comment

Re:FBI's ability to legally access secure messaging app cont... by wskinner on Tuesday November 30, 2021 @04:33PM (#29397766)
On recent iPhones, the way to disable biometrics is to hold the side button and either volume button until a prompt appears, then tap cancel. Mashing the side button 5 times does not work.
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Re:FBI's ability to legally access secure messaging app cont... by minhazm on Tuesday November 30, 2021 @04:42PM (#29397870)
Not sure how recent you're talking but I have an iPhone 11 Pro and I just tested pressing the side button 5 times and it takes me to the power off screen and prompts me for my password the same way that side button + volume does.

Apple's docs also say that pressing the side button 5 times still works.

> If you use the Emergency SOS shortcut, you need to enter your passcode to re-enable Touch ID, even if you don't complete a call to emergency services.

https://support.apple.com/en-us/HT208076

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Re:FBI's ability to legally access secure messaging app cont... by cyral on Tuesday November 30, 2021 @05:08PM (#29398123)
Pressing it five times starts the emergency SOS countdown (and requires the passcode next time) on my iPhone XS. Maybe you have the auto-calling disabled?
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Re:FBI's ability to legally access secure messaging app cont... by samtheprogram on Tuesday November 30, 2021 @06:25PM (#29398758)
It doesn't on my 2nd Gen iPhone SE (2020). That said, anything that causes the "swipe to power off" screen to appear has the same affect, so essentially holding down the button for 5 seconds does the trick.
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Re:FBI's ability to legally access secure messaging app cont... by diebeforei485 on Tuesday November 30, 2021 @06:56PM (#29398992)
The side button 5 times thing is disabled by default, but can be enabled from Settings > Emergency SOS.

I just verified this on iOS 15.1 on an iPhone 12.

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Re:FBI's ability to legally access secure messaging app cont... by croutonwagon on Tuesday November 30, 2021 @05:13PM (#29398168)
Works fine on my 11, my wifes 12, her backup SE gen 2 and my backup SE gen1.

Just tested all of them

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Re:FBI's ability to legally access secure messaging app cont... by leokennis on Wednesday December 01, 2021 @02:01AM (#29401416)
I’m on an iPhone 13 and the latest iOS and it does work here. But so does your method…

But I guess yours is the “official” way to do it indeed:

https://www.imore.com/how-quickly-disable-face-id

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