• TheWhetherMan@lemmy.world
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    5 days ago

    In airplane mode and even while turned off, phones have been known to still transmit data via background services. Leaving it behind, or a Faraday bag are the only assured options I’m aware of

    • ripcord@lemmy.world
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      4 days ago

      Not while turned off, generally. Screen off, sure.

      Edit: apparently at least some do

      • bagsy@lemmy.world
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        5 days ago

        Thats not correct. Iphones and androids are never truly off. There are a few privacy focused phones by small makers with hardware switches for each radio. You can run android or linux on them.