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by woem 1520 days ago
Could the wireless carriers track phones even if they were carrier unlocked or factory unlocked?
3 comments
kube-system 1520 days ago
Yes, this functionality is required by law and is done at the chipset firmware level these days. And even before phones supported this, it was done by triangulation at the carriers towers.
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orangepurple 1520 days ago
The cellular modem usually has GPS and SMS capabilities integrated in one hardware package.

Also, separately, https://en.wikipedia.org/wiki/SMS#Silent_SMS

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callalex 1520 days ago
How would those two things be related at all?
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