this post was submitted on 25 Feb 2025
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Do not bring your phone with you to a protest.
If you really need a phone on you, get a burner phone with a prepaid card not linked to your person. But remember, MITM attacks are possible and the police can intercept your traffic and in some cases even compromise your E2EE services (if the key exchange takes place on a compromised spoofed network, see stingrays [1]).
If communication is necessary, get a meshtastic device. It's not the most reliable, and the channels can be jammed, but no one will bother with that. Because they work on usual IoT/smart home appliances frequencies, there is so much interference in cities that triangulating your position in a crowd of people isn't very realistic.
[1] https://theintercept.com/2020/07/31/protests-surveillance-stingrays-dirtboxes-phone-tracking/
I’ve been using my old(cleaned installed) pixel 1 & 3 with my R1 meshtastics during this recent protests. Very helpful.
I'll have to look into this. I have an old Pixel 4a I use occasionally, and it'd be nice to make it more useful
Clean install that bad boi (those 4a were done really well), update everything possible and then turn off as much settings/features as possible. It’s like reviving a 7 year old PC with Ubuntu 24.04.1(coming from an emotional standpoint than logical),the thing is badass again. It’s a great offline device. Meshtastic, music player, eReader, remote, (use local non-two-way VPN) GPS, etc etc. to keep that device living longer for another 7-10 years, buy a replacement battery sooner than later.
Yeah the battery is pretty well shot, but it's otherwise in perfect condition.