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Cannot log into network with Huawei/Qualcomm #370

bugman78 opened this Issue Nov 18, 2017 · 1 comment


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bugman78 commented Nov 18, 2017

I've installed a Huawei/Qualcomm 1550 dongle which seems to be perfectly recognized by gammu --identify. However sending messages never works and a look at the log shows the following error:

Sat 2017/11/18 06:35:55: Leaving GSM_SendSMS
Sat 2017/11/18 06:35:55: 1 "AT+CMGS=26"
Sat 2017/11/18 06:35:55: 2 "> 07913396050096F511000A8160077334220000FF0EC4721D9F2EB7CBA0F27C1E4E03"
Sat 2017/11/18 06:35:55: 3 "+CMS ERROR: 500"
Sat 2017/11/18 06:35:55: Checking line: +CMS ERROR: 500
Sat 2017/11/18 06:35:55: AT reply state: 5
Sat 2017/11/18 06:35:55: RECEIVED frame type 0x00/length 0x68/104
Sat 2017/11/18 06:35:55: 41A|54T|2B+|43C|4DM|47G|53S|3D=|322|366|0D |0D |0A |3E>|20 |300 AT+CMGS=26...> 0
Sat 2017/11/18 06:35:55: 377|399|311|333|333|399|366|300|355|300|300|399|366|46F|355|311 7913396050096F51
Sat 2017/11/18 06:35:55: 311|300|300|300|41A|388|311|366|300|300|377|377|333|333|344|322 1000A81600773342
Sat 2017/11/18 06:35:55: 322|300|300|300|300|46F|46F|300|45E|43C|344|377|322|311|44D|399 20000FF0EC4721D9
Sat 2017/11/18 06:35:55: 46F|322|45E|42B|377|43C|42B|41A|300|46F|322|377|43C|311|45E|344 F2EB7CBA0F27C1E4
Sat 2017/11/18 06:35:55: 45E|300|333|0D |0A |0D |0A |2B+|43C|4DM|53S|20 |45E|52R|52R|4FO E03....+CMS ERRO
Sat 2017/11/18 06:35:55: 52R|3A:|20 |355|300|300|0D |0A R: 500..
Sat 2017/11/18 06:35:55: Error 500
Sat 2017/11/18 06:35:55: Sent SMS on device: "/dev/ttyUSB1"
Sat 2017/11/18 06:35:55: CMS Error 500: "unknown error"
Sat 2017/11/18 06:35:55: [Terminating]
Sat 2017/11/18 06:35:55: [Closing]

gammu networkinfo returns the following output:

État réseau : refus d’authentification réseau
etat du réseau par paquets : refus d’authentification réseau
GPRS : détaché

(In French, this means that we cannot log into the network). I've tried many things like setting the power on for the phone, or making a soft / hard reset, none of these solved the issue. By the way, the SIM card is OK as I've managed to send/receive SMS with it on a classical phone.

Any idea?


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nijel Nov 22, 2017


Maybe the modem is sim locked for some network? Anyway the SMS sending fails because lack of network connection...


nijel commented Nov 22, 2017

Maybe the modem is sim locked for some network? Anyway the SMS sending fails because lack of network connection...

@nijel nijel added the question label Nov 22, 2017

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