What else should the 3 switches disable when all off?

[zero]

@GrumpyCowboy

You know you can simply use 1 button to disable everything at once : the power button.

@jtl

Taking out the battery is good too

Heh, well that’s true. Although you can’t use it if it’s off. I was thinking more along the lines of…

Librem 5 (and 11/12) may need gyroscope hardware kill switch

Hi, see this: https://www.usenix.org/system/files/conference/usenixsecurity14/sec14-paper-michalevsky.pdf Abstract We show that the MEMS gyroscopes found on modern smart phones are sufficiently sensitive to measure acoustic signals in the vicinity of the phone. The resulting signals contain only very low-frequency information (<200Hz). Nevertheless we show, using signal processing and machine learning, that this information is sufficient to identify speaker information and even parse speech.…