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AT+CPWD=SC
Write Command
AT+CPWD=SC,[Old_PIN],[New_PIN]<CR>
Example
AT+CPWD=SC,0000,2008
OK
AT+CPWD=SC,2008
ERROR
Remarks
The Write command is to change PIN code of SIM card.
[Old_PIN] is a string for the current PIN code, and [New_PIN] is a string for the new PIN code.
PIN (Personal Identity Number) is a 4~8 digit access code which can be used to secure your
SIM card from use. If the wrong PIN is entered in more than three times, the SIM card will be
locked.
See Also
AT+CLCK=SC, AT+CPIN
Back to the Supported AT Commands.
Appendix II
Response
<CR><LF>OK<CR><LF>
<CR><LF>ERROR<CR><LF>
Change PIN code "0000" to "2008"
Command syntax is incorrect!
AT Commands
51
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