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How Do I Prepare My Phone for a Protest?
(themarkup.org)
This is a most excellent place for technology news and articles.
What's wrong with a grapheneOS device on airplane mode? Is firmware level tracking a confirmed thing?
https://en.m.wikipedia.org/wiki/Stingray_use_in_United_States_law_enforcement
So it should be safe in airplane mode, no? If I can trust my device, that is.
Stingray been in use widely since the 90s. LEOs have much better access and tech now. Pinpoint down to which room in a multi level hotel.
They may confiscate your phone and record all data on it.
If it's a fresh wipe with a good passcode, and you keep it on airplane mode, you're probably fine.
Set up a duress PIN on your graphene phone
Graphene is not a good OS for this type if work. Yes it's secure, no good backup solutions. You will lose all your data upon confiscation. Graphene again is secure but if all your data is gone what good will it do? DO NOT TAKE YOUR PERSONAL DEVICES.