Please, read before to start the article

https://iot-developer.thalesgroup.com/showcase/zoc-terminal-emulator

This script read and clean some files in the SIM Card. These files are the list of forbbiden operator, the keys of the last GPRS connection and the information for location LOCI; and shutdown the module.

the script is prepared for SIM, in case you have a USIM just add to the script

PS LOCI field (USIM)

• To read use AT+CRSM=176,28531,0,0,14
• To delete use AT+CRSM=214,28531,0,0,14,"FFFFFFFFFFFFFFFFFFFFFFFFFFFF"

the changes are valid in the next power on

Requisites:

 -A SIM Card with the PIN enabled

Regards

ALopez