Huawei MG323 manual Example Run AT+CPWD to modify the PIN code, Card, +CLCK0

HUAWEI MG323 GSM M2M Module
AT Command Interface Specification	Commands for Security Control

Write AT+CPWD=<fac>,<oldpwd>,<newpwd> command

Function Modifies the password (such as PIN) that corresponds to the locking function of the device.

Response z In case of successful execution: <CR><LF>OK<CR><LF>

zIn case of an error related to the MT: <CR><LF>+CME ERROR: <err><CR><LF>

Parameter description
<oldpwd>,<newpwd>:	old password and new password; string; the maximum

length of password is specified by the <pwdlength> parameter; the characters inside the string must be obtained from ‘0’–‘9’. Otherwise, an error is returned directly.

5.3.3 Examples

Example:
Run AT+CPWD to modify the PIN code.
AT+CLCK=“SC”,2	Query the locking status of the SIM
card.
+CLCK:0
OK
AT+CLCK=“SC”,1,“1234”	Set the SIM card to the PIN locking
state.
OK
AT+CPWD=“SC”,“1234”,“1111”	Modify the PIN code.
OK

Issue 02 (2010-11-23)	Huawei Proprietary and Confidential	49
	Copyright © Huawei Technologies Co., Ltd.