Specifications

MC35i AT Command Set
5.4 AT+CLCK
s
m obil e
MC35i_ATC_V01.03 Page 111 of 444 5/7/04
Confidential / Released
serial interface the running AT+CLCK command is aborted after a short timeout and returns CME ERROR 100
("unknown"). If then the
AT+CLCK command is issued once again execution is denied with CME ERROR 256
("Operation temporary not allowed"). For details regarding the delay see Section 5.1.1, What to do if PIN or
password authentication fails?.
Examples
EXAMPLE 1
Lock SIM card (<facility>= "SC")
To query the status of the SIM card lock:
EXAMPLE 2
Phone lock (<facility>="PS")
To lock the ME to the currently insertd SIM card, first specify a password for
<facility> "PS":
Optionally, if "PS" password was defined before, change existing password:
Then, activate the Phone Lock:
AT+CLCK="SC",1,"9999" The "SC" parameter enables or disables the SIM PIN
authentication (PIN 1) when you power up the GSM
engine
OK SIM card locked. As a result, SIM PIN 1 must be
entered to enable ME to register to the GSM net-
work.
AT+CLCK="SC",0,"9999" Unlocks SIM card.
OK When powered up, ME registers to the GSM network
without requesting SIM PIN1.
Note: Depending on the services offered by the pro-
vider, this feature is not supported by all SIM card
types. If so, the command returns ERROR when you
attempt to unlock the card.
AT+CLCK="SC",2 Query the status of SIM card lock.
+CLCK: 1 SIM card is locked. SIM PIN1 must be entered to
enable ME to register to the GSM network.
OK
AT+CPIN? Make sure that PIN1 authentication is valid.
OK
AT+CPWD="PS",,"1234" If "PS" lock has not been set before: enter new pass-
word.
OK
AT+CPWD="PS","1234","3333" To replace existing "PS" password: Enter old and
new password.
OK
AT+CLCK="PS",1,"3333" Locks the mobile to the current SIM card.
OK