this post was submitted on 10 Oct 2025
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[–] HaraldvonBlauzahn@feddit.org 1 points 1 week ago* (last edited 1 week ago)

Alternative OSes surely do have better privacy than Android, but that's probably not sufficient. On Smartphones, there runs not a single CPU like on a laptop, but more like 5 computers and only one of them is controlled by the OS. For example, there is a baseband processor and a radio modem. And the SIM card is a computer. And part of these can be controlled remotely (have you ever wondered how your phone automatically re-programs it parameters when you change providers?).

And then there are gaps in authentication in the radio prozocol: Your phone / SIM card authenticates against a radio tower so that the right phone user pays the bill. But the phone has no way to detect a rogue mobile tower...