This is strange. Let’s do some further checks with our colleagues. Does @Florian-Duecker already have the full IMEI? If not, @Yosiel can you pls send it to me via dm or email@example.com
one of our customers have been using https://opencellid.org/ in the past for cell-id localization. Telekom is also working together with Polte which offer an IoT localization API. You can learn more here: https://iotcreators.com/en/iot-location-api/ and sign up if you want to try it.