Filter
Top Products
HUAWEI ME909u-521 LTE LGA Module
Application Guide
SIM Operation Application Scenarios
Issue 01 (2013-07-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
48
Scenario
Possible Error
Information
Solution
Enter the PIN.
AT+CPIN="<pwd>"
+CME ERROR:
incorrect password
Enter the correct PIN. The
original PIN is provided by
the operator.
+CME ERROR: SIM
PUK required
Incorrect PINs have been
entered three times and the
SIM card is blocked. Run
AT+CPIN="<PUK>","<pwd>
" to enter the PUK to unblock
the SIM card. The PUK is
provided by the operator and
cannot be changed by users.
If incorrect PUKs are entered
10 times, the SIM card will be
permanently blocked.
Changes the PIN.
AT+CPWD="SC","<oldpwd
>","<newpwd>"
+CME ERROR:
incorrect password
<oldpwd> must be the
current PIN. Like the PIN
authentication, if incorrect
PINs are entered three times,
the PUK will be required. If
incorrect PUKs are entered
10 times, the SIM card will be
permanently blocked.
7.2 CRSM Command
7.2.1 Reference Process
Command
Description
AT+CRSM=176,12258,0,0,10
Read the file EFiccid with a transparent
structure. (12258 is 0X2FE2, the
EFiccid file's FID).
+CRSM: 144,0,"<record>"
OK
After the command is processed
successfully, the EFiccid file's content
(<record>) is returned.
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.