HUAWEI ME909u-523 LTE LGA Module
Application Guide
SIM Operation Application Scenarios
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
50
Command
Description
AT+CRSM=178,28476,1,4,176,,"7F10"
Use an absolute path to read the first
entry from the EFsms file on the SIM
card's DFtelecom folder.
+CRSM: 144,0,"<record>"
OK
<record> is the content of the first entry.
The length of <record> is 176 bytes.
AT+CRSM=192,12258
Get response of EFiccid.
+CRSM: 144,0,"<response>"
OK
<response> is the response data of
EFiccid. For details about <response>,
refer to the
ETSI TS 102.221
protocol.
AT+CRSM=214,28421,0,0,2,"0012"
Update the content of the transparent
structure EFli file on the SIM card.
+CRSM: 144,0,""
OK
Update succeeded.
AT+CRSM=220,28476,1,4,176,"1111",
"7F10"
Update the content of the linear fixed
structure EFsms file on the SIM card.
+CRSM: 144,0,""
OK
Update succeeded.
AT+CRSM=242
Obtain the current directory information.
+CRSM: 108,"<length>","<status>"
OK
<length> indicates <status>
’s length in
byte.
<status> indicates the current directory
status by hexadecimal.