• Mettled@reddthat.com
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    1 month ago

    Switch phone service to VoIP, cancel cell service, all tracking capabilities is gone.

      • Mettled@reddthat.com
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        1 month ago

        It is possible to get a real cell number from a big name carrier and then port the number to VoIP company to use VoIP service with an original cell number.

        • refalo@programming.dev
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          1 month ago

          Maybe, but if anything bad happens to originate from that number, the port history is still visible and now they have a suspect.

          • Mettled@reddthat.com
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            1 month ago

            Stick with only having a landline until you can get over yourself and your self aggrandizment.

    • terminhell@lemmy.dbzer0.com
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      1 month ago

      Iirc any cell phone is still capable of dialing 911(or equivalent) even without a sim. So id imagine carrier towers and gps could still find it. You’d basically have to keep the device in a ferriday bag. Which complicates actually using it.

      • shortwavesurfer@lemmy.zip
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        1 month ago

        That is correct. Any cell phone sold in the United States by law is supposed to be able to dial 911 no matter whether they have a SIM card inserted or not and no matter whether they have service on a SIM card or not and also no matter whether one specific carrier in your area has no signal it will use the others instead. You may be a Verizon customer, but if you dial 911 and an AT&T tower picks up the call first, the AT&T network will serve that call instead.

      • Em Adespoton@lemmy.ca
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        1 month ago

        One clarification: carrier towers can still find a phone; GPS is passive; your phone locates itself in relation to the GPS satellites.

        Most phones are also broadcasting WiFi MAC IDs and Bluetooth MACs, plus hardware and capability strings over Bluetooth. And then any apps you’ve got loaded may also be calling home with your location unless you have that disabled and rotate your ad ID regularly.

        [edit] also worth pointing out that even if you turn a smartphone “off” it still pings the local cell towers with its IMEI regularly. Surprised me the first time I witnessed that.

      • Mettled@reddthat.com
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        1 month ago

        Why does a phone need to be in a ferriday bag when phone does not have a SIM card because it uses web-based VoIP service? The phone only needs an internet connection, like wi-fi, and can’t talk to cell towers. Remove SIM from phone, connect phone to wi-fi to get online to access phone service through the internet, GPS can’t function. If a phone without SIM calls 911, it will go through, but dispatch sees no number, no location, no name.

        • refalo@programming.dev
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          1 month ago
          • any carrier within range can still potentially track you, maybe not with airplane mode but Snowden says don’t trust that

          • GPS still “works” without any signal, service or net access

          • AGPS mandate forces 911 calls to reveal your location

          For max privacy without going completely analog you’d want a device with NO cellular radio at all

          • Mettled@reddthat.com
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            1 month ago

            You have way too much time of doing nothing of significance and fill it with meaningless chatter. Spend more expanding job skills and still listening to so many inexperienced opinions.