Specifications

TC35i AT Command Set
Confidential / Released
TC35i_ATC_V01.05 Page 104 of 278 04.08.2003
4.21.1 Examples: Enabling / disabling PIN 1 authentication
Example 1
To lock or unlock the SIM card: The "SC" parameter enables or disables the
SIM PIN authentication (PIN 1) when you power up the GSM engine:
AT+CLCK="SC",1,”9999” Activates SIM card lock.
OK As a result, SIM PIN 1 must be entered to en-
able ME to register to the GSM network.
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
provider, this feature is not supported by all
SIM card types. If so, the command returns
ERROR when you attempt to unlock the card.
Example 2
To query the status of the SIM card lock:
AT+CLCK="SC",2
+clck: 1 SIM card is locked. SIM PIN1 must be entered
to enable ME to register to the GSM network.
4.21.2 Examples: Phone lock
Example 1
Be sure that PIN 1 authentication is valid:
AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN=”9999”
OK
To lock the mobile to the currently inserted SIM card, first specify a password (=
a phone code):
AT+CPWD="PS",,”1234” If "PS" lock has not been set before: enter new
OK password.
or:
AT+CPWD="PS",”1234”,”3333” To replace existing "PS" pass
OK word: Enter old and new one.
Then, activate the phone lock:
AT+CLCK="PS",1,”3333” Locks the mobile to the current SIM card.
OK
Example 2
To deactivate the phone lock:
AT+CLCK="PS",0,”3333” Enter lock type "PS", followed by 0 to lift the
OK lock. Then type "PS" lock password.
As a result, the mobile accepts any SIM card and can be operated after the
card's SIM PIN 1 was entered.
Example 3
To operate the mobile with the SIM card for which "PS" lock was activated:
AT+CPIN? Enter SIM PIN used when locking the mobile.