WM620 AT
Command Manual
Copyright © Neoway Technology Co., Ltd
22
"OI": Outgoing international calls
"AI": All incoming calls
"IR": Incoming calls when roaming outside the homing place
"SC": SIM card
"AO": All outgoing calls
"OX": All outgoing international calls except to the home country
"AB": All calling services
"AG": All outgoing call services
"AC": All incoming call services
<oldpwd>: Old password or code, string type
<newpwd>: New password or code, string type
Return Value
<CR><LF>+CPWD: list of supported (<fac>,<pwdlength>)s<CR><LF>
<CR><LF>+CME ERROR: <err><CR><LF>
Example
AT+CPWD=?
+CPWD:
("SC",8),("P2",8),("AO",4),("OI",4),
("OX",4),("AI",4),("IR",4),("AB",4),
("AG",4),("AC",4)
OK
Query the service range of the PIN
password allowed by the module.
AT+CLCK="SC",1,"1234"
OK
AT+CPWD="SC","1234","4321"
OK
+EIND:128
AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN="4321"
OK
+EUSIM:1
Enable the SIM card lock.
Modify the PIN code.
Restart the module.
Query if PIN code is required.
PIN code is required.
Enter new password.
Unlock
Remarks
Lock the SIM card before modifying the password for the SIM card.
Otherwise, the module returns
+CME ERROR: SIM failure
.