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Re:Evidence that the FBI can hack into private Signal messag... by hda2 on Wednesday February 10, 2021 @09:33PM (#26097571)
> hold down the power button and a volume button for a second

On android phones, it takes a screenshot.

Re:Evidence that the FBI can hack into private Signal messag... by josephg on Wednesday February 10, 2021 @09:37PM (#26097607)
Just checked + updated my comment.

iOS also takes a screenshot when the phone is unlocked if you use power + volume up. Holding power + volume down hard locks the phone even when its unlocked

Re:Evidence that the FBI can hack into private Signal messag... by godelski on Thursday February 11, 2021 @03:37AM (#26099487)
This puts android on mute. I guess place your non-registered finger on the phone multiple times for Android?