Hello every one, I’m from in Viet Nam. I have an EM7455 wwan card, and installed it in Dell Precision 3510. I get driver on Dell home page and install success, however, it’s not configration (error 82) and no service when I insert sim (antena was mount). I check the card it show: Verizon. Help me ? Thanks you very much.
Hi mqthinh13th ,
Welcome to our community.
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Can you please share with me the link, driver package you downloaded driver on the Dell home page?
Please share with me the picture of the Modems, Ports, Network adapters in Device Manager.
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Could you type AT command on your EM7455?
If yes, please share with me the output of the below AT commands:
ATI3
AT!IMPREF?
AT+CPIN?
AT+CIMI
AT+CCID
AT+CGDCONT?
AT!ENTERCND=“your password” (AT!ENTERCND=“A710” default password)
AT!HWID?
AT!SKU?
AT!BAND?
AT+KSRAT?
AT!SELRAT?
AT!GSTATUS? -
How many EM7455 devices did you observe this issue? If It’s just only one, could you please retry on another EM7455 device?
Tks you very much ! I can use it, downgrade windows 11 to windows 10 and automatic update driver !