this post was submitted on 30 Apr 2025
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Privacy

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cross-posted from: https://sh.itjust.works/post/37022405

This is a carrier in the USA (T-Mobile).

I did a quick search for the other 2 carriers using the term "[Carrier Name] Family Tracking" and Verizon and AT&T also seems to have it.

And according to https://www.t-mobile.com/support/plans-features/t-mobile-familywhere-app, it says:

FamilyWhere uses geolocation data from the T-Mobile network and is not affected by changes to device location settings.

So it appears that its using cell tower triangulation. Turning on Airplane Mode should stop it (assuming there isn't a separate tracking app on your phone)

Oh Wow, What a wonderful tool for abusive spouses and abusive parents. And telecom companies are making money off of it. πŸ™ƒ

TLDR: Its a good idea to get your own separate cellular plan.

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[–] pineapplelover@lemm.ee 10 points 1 day ago

Mmm I can see absolutely no way where they misuse this information

[–] ShellMonkey@lemmy.socdojo.com 12 points 1 day ago* (last edited 1 day ago) (1 children)

This isn't new, cell tower triangulation is a fact of the network operation and is part of how your signal gets handed off between towers as you travel. Airplane wouldn't do anything unless it where to actually disable the sim entirely, and functionally even that doesn't cut it in the USA given that a device without one can still connect to emergency services via any tower in reach.

This is just the carrier giving a customer the data that would already exist, for a price, which I thought T-Mo actually used to give for free...

[–] corvus@lemmy.ml 13 points 1 day ago

The carrier can track a phone without sim card but it's not the case if you turn on airplane mode. The whole point of airplane mode is to prevent the phone from emitting any signal to avoid interference with critical aircraft instruments. I don't see any company risking to circumvent such a critical security feature, it would be easily verifiable.

[–] DieserTypMatthias@lemmy.ml 5 points 1 day ago* (last edited 1 day ago) (1 children)

Find My and Google's device locator service exist, they're free and work without a carrier. Ik they're not that private, but you save money at least and they're more private than your carrier.

/s

[–] ReakDuck@lemmy.ml 1 points 1 day ago (1 children)

But you need geolocation. This, at least, can track you scarily accurate. Cannot escape it except you have more money depending on which situation. (Like parents giving it for free to the child, so the only escape is to either have secretly a second phone with own carrier plan or be open and purchase your own carrier plan by gaslighting its needed)

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[–] LiamTheBox@lemmy.ml 4 points 1 day ago (1 children)
[–] dzso@lemmy.world 4 points 1 day ago (1 children)

I'm sure that the "consent" is part of the terms and conditions when you sign up for a line on a family plan. Not that it's genuinely informed consent, or that people know what they agreed to, but technically...

[–] Undertaker@feddit.org 1 points 1 day ago

Consent coming from those, that did not sign Tte contract obviously...

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