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Unknown GSM Module
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 Posted: Saturday Jan 8th, 2022 11:02 am
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fpicard102
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Hello,
For several days I have encountered a problem. I no longer receive text messages. If I still send an arming order by SMS, nothing happens. I presice that my system is working perfectly through the application.
So I am going back to comfigurator. I updated the whole installation but still nothing. I also tried with a second sim card. In the status bar it appears "Unknown GSM Module".

Can you help me solve my problem?

Regards



 Posted: Sunday Jan 9th, 2022 02:31 am
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slychiu
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Unknown GSM Module means that the GSM Module is having diffculty connecting to the network provider.
Try powering off the module. 

What is the serial number?




 Posted: Sunday Jan 9th, 2022 08:07 pm
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fpicard102
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Hello,

I confirmed that I had tried to turn the system off and back on. I changed my SIM card from another provider. No change while my phones are picking up correctly. the serial numbers are P081808 and P081820

SIM900
S2-1040S-Z0912
SN:MP0610512267627

What can I do now?

Regards



 Posted: Monday Jan 10th, 2022 01:11 am
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slychiu
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This is a 2G GSM Module UCM/GSM4(2G) sold in 2013.

Many countries have stopped supporting the 2G network. It may also depend on the network provider. Have you upgraded the gsm submodule to 3G?



 Posted: Wednesday Jan 12th, 2022 09:26 am
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fpicard102
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Hello,

According to my research, the 2G services of my provider are still active but without certainty. What is the procedure to update my module?

regards



 Posted: Thursday Jan 13th, 2022 01:51 am
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slychiu
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You can buy the 3G GSM submodule seehttp://www.comfortforums.com/forum48/3647.htmlYou can remove the old GSM submdoule and buy the GSM4M submodule which plugs into the UCM/GSM base board



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