I have one GSM Modem Series 900. I want to test it for sending and receiving message to mobile. I can connect with this modem, but when I put my SIM Card and I type AT command like here:
AT: Status "OK"
AT+CPIN?: Status "+CPIN: PH-NET PIN"
AT+CPIN="xxxx": Status "Error"
I don t know why it can t connect with the SIM Card. So do you any solution to help me on this problem?
Thanks, Sopolin
HI,
Check the end of this thread: http://www.mail-archive.com/smartphones-standards@linuxtogo.org/msg00052.html It seems that your modem is locked on a network, you´ll have to unlock it. Is it second-hand or does it come from another country?
It seems that there are a lot of answers just searching for "+CPIN: PH NET PIN"
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