Cirrus Router with a Visible SIM

I have a Cirrus GL-AP1300LTE with a EC25-AF modem, and I’m trying to set it up with a SIM card from Visible, the Verizon MVNO. I get a persistent message that says, “SIM card not registered”. I’ve tried automatic setup and manual setup. I also tried using the following modem commands that were mentioned on a thread at the LTEHacks forum.

AT+QPRTPARA=3
AT+QMBNCFG="AutoSel",0
AT+QMBNCFG="Deactivate"
AT+CFUN=1,1
AT+QCFG="usbnet",2
AT+QCFG="nwscanmode",3,1
AT+CGDCONT=1,"IPV6","VSBLINTERNET"

The end result is always the same: “SIM card not registered” and no Internet connection. The SIM works fine in an iPhone, but IOS 14 currently has problems with tethering over USB. Does anyone know how I can get a Cirrus router to work with a Visible SIM? Thanks.

You can try the firmware in the link and configure it manually as shown in the screenshot
http://download.gl-inet.com.s3.amazonaws.com/firmware/ap1300/testing/qsdk-ap1300-3.103-0728.img
image

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