Sim Operation Application Scenarios; Pin Operations; Reference Process; Troubleshooting - Huawei MU609 Application Manual

HUAWEI MU609 HSPA LGA Module
Application Guide
9

9.1 PIN Operations

9.1.1 Reference Process

Command
AT+CLCK="SC",1,"<pwd>"
OK
AT+CPIN="<pwd>"
OK
AT+CPWD="SC","<oldpwd>","<newpwd>" Change the PIN (<newpwd> will
OK
Notes:

9.1.2 Troubleshooting

Scenario
AT+CLCK="SC",1,"<pwd>"
Issue 02 (2013-09-18)

SIM Operation Application Scenarios

1. After PIN authentication is enabled using +CLCK, the module must be restarted for the
change to take effect.
2. Either ^CPIN or +CPIN can be used to authenticate the PIN.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
SIM Operation Application Scenarios
Description
Enable PIN authentication. (<pwd>
specifies the PIN. See note 1.)
Request the PIN after the module
restarts.
be the new PIN).
Possible Error
Information
+CME ERROR:
operation not
allowed
Solution
If PIN authentication has
been enabled, it cannot be
enabled again. Check
whether PIN authentication
has been enabled.
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