[Gsmmap] advertisement text/sms in a shopping wall

John W. Blue john.blue at rrcic.com
Fri Jun 29 22:31:49 CEST 2018

I would think that you have an app that is keeping track of your location as opposed to your cell signal being intercepted.


Stranger things have happened!


From: Gsmmap [mailto:gsmmap-bounces at lists.srlabs.de] On Behalf Of josefh.maier at hushmail.com
Sent: Tuesday, June 26, 2018 10:12 AM
To: gsmmap at lists.srlabs.de
Subject: [Gsmmap] advertisement text/sms in a shopping wall

Hello forum,

I received and advertisement text/sms in a shopping wall. My believe was, that i was alsways "using" LTE.
To my knowledge it's extremly difficult to IMSI-catch LTE connected mobile phones...

- Is this not the case? Did they downgrade me to GSM? If not, how could that have happend?

Thank you very much for your help!
Best regards,


Unfortunaltey my private phone with SnoopSnitch installed was turned off :-(
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