LockUnlock SIM card using ATCPIN command

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=Z7GZ5Sqm8ZA

Use AT+CPIN and AT+CLCK commands to setup SIM PIN, lock/unlock the SIM card. AT Command Tester provides an easy interface for developers to test these functions. Download AT Command tester at http://m2msupport.net/m2msupport/down...

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