to be precise, the IMEI is still known to the tower so long ...

5538e28a66eb8836...

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hex

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nevent

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Kind-1 (TextNote)

2026-08-16T13:36:11Z

↳ Reply to Event not found

713dde03c80ba1a7f85bfa84aaffebf9b0fd624ff61a1273c4f7006bfcd7f351...

to be precise, the IMEI is still known to the tower so long as the phone's radio is on, even if the sim isn't on it. IMEIs don't require identification (ie, buying a phone) in every place but a lot now do require it for the most random shit (i had to give passport to buy a usb charger in istanbul, and the shopping center required me to put all my bags through an x-ray machine and me through a metal detector). but yeah, the imei doesn't give as much information in most places as the sim's identity. however, if you have put a sim into a phone the towers will have bound them together, which is why phones themselves don't have id for purchase requirements but sims do. so do esims in most places, though not all of them, tourist esim providers don't necessarily (yesim doesn't at least).

turning off your location only prevents (maybe) apps on your phone phoning home to report your gps, system may be able to do that regardless. this and bluetooth beacons are two major reasons to run graphene (it enforces user controlled permissions stronger and they audit the system code closer).

the thing is, apple phones send back to apple constantly all the other bluetooth MAC addresses they encounter as part of the find my phone thing, and any phone running that on android i think they also do now since a couple of years. so your bluetooth headset or other bluetooth device can snitch on you.

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  "content": "to be precise, the IMEI is still known to the tower so long as the phone's radio is on, even if the sim isn't on it. IMEIs don't require identification (ie, buying a phone) in every place but a lot now do require it for the most random shit (i had to give passport to buy a usb charger in istanbul, and the shopping center required me to put all my bags through an x-ray machine and me through a metal detector). but yeah, the imei doesn't give as much information in most places as the sim's identity. however, if you have put a sim into a phone the towers will have bound them together, which is why phones themselves don't have id for purchase requirements but sims do. so do esims in most places, though not all of them, tourist esim providers don't necessarily (yesim doesn't at least).\n\nturning off your location only prevents (maybe) apps on your phone phoning home to report your gps, system may be able to do that regardless. this and bluetooth beacons are two major reasons to run graphene (it enforces user controlled permissions stronger and they audit the system code closer).\n\nthe thing is, apple phones send back to apple constantly all the other bluetooth MAC addresses they encounter as part of the find my phone thing, and any phone running that on android i think they also do now since a couple of years. so your bluetooth headset or other bluetooth device can snitch on you.",
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