LOCI
Definition
Location Information file (EF_LOCI on SIM, EF_LOCI and EF_EPSLOCI on USIM). Stores the Location Area Identity (LAI) last received from the network during a location update procedure. The LAI contains Mobile Country Code, Mobile Network Code, and Location Area Code, mapping the card to a geographic zone served by a group of base stations.
Related terms
- APDU
- Application Protocol Data Unit. The command and response message format used to communicate with a smart card over the ISO 7816 interface....
- EF_SMS
- Elementary File for Short Message Service. A fixed-size record file on the SIM that stores SMS messages. Each record has a status...
- ICCID
- Integrated Circuit Card Identifier. The serial number of the physical SIM card itself, stored in EF_ICCID. It identifies the card as a...
- IMSI
- International Mobile Subscriber Identity. A 15-digit number stored in EF_IMSI on the SIM that uniquely identifies the subscriber account on the mobile...
- UICC
- Universal Integrated Circuit Card. The physical hardware platform for modern SIM cards. A UICC can host multiple card applications simultaneously: a SIM...
Explained in
- SIM Card ForensicsLocation Information file (EF_LOCI on SIM, EF_LOCI and EF_EPSLOCI on USIM). Stores the Location Area Identity (LAI) last received from the network during a loc...