Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?
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Notes -
Regarding wifi, another thing your phone leaks wherever it encounters an access point is "do you happen to serve such and such network" in plaintext, all the time Wifi is enabled, on the off chance the access point is part of a campus network where many access points provide the same network. The phone cannot know what bssid to look for so it has to ask. This is all plaintext and can be captured with the aircrack-ng suite and can fingerprint and possibly identify who the phone belongs to. You can probably learn the school, workplace, gym, cafe, etc, that the phone's owner goes to.
That said the last time I tried this was years ago, I'd be happy to learn this was fixed in more recent years.
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