set debug true set echo true # Create a backup the files we will modify export --filename MF/ADF.USIM/EF.IMSI > restore_ef_imsi.script.tmp select MF/ADF.USIM/EF.IMSI update_binary 084941414141414141 update_imsi_plmn 26242 read_binary_decoded > ef_imsi.tmp # Restore modified files to their original state run_script restore_ef_imsi.script.tmp