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I recently purchased a Huawei E220 modem, which was branded by PhoneCompanyA, and I wish to use it on PhoneCompanyB's network using a SIM card from PhoneCompanyB. PhoneCompanyB's 3G network uses the 850MHz and 2100MHz bands, both of which this modem supports.

However when I try to use the modem, it will not connect to the network. When I try to do it manually with AT+COPS=1,2,53000 I get CME Error 30: No network service which is odd because when I put the SIM card in my cell phone I get plenty of service.

Is there any way I can get this modem to work with this SIM card?

DanielGibbs
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1 Answers1

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From what I understand, your command tries to connect specifically to a network with ID 53000. Instead, try the following:

at+cops=0

According to various docs, this will allow the device to automatically select an appropriate network.

user219095
  • 65,551