Inventia Sp. z o.o. employees can verify the working status of the SIM card in situations where the card does not log on to the network (e.g., due to incorrectly entered APN, lack of coverage of selected technologies or operators) or when data from the device does not reach the IP address of the receiving server as indicated in the configuration. Additionally, the location of the SIM card can be estimated based on the login data to the mobile operator’s base station.