Wireless Joint

Posted: **Wed Oct 21, 2020 5:13 pm**

Hello,

I have an EP06-A modem in a USB adapter designed for mini pcie (Found Here: https://www.aliexpress.com/item/1000013 ... 4c4dLSUDNQ). I'm attempting to connect on the Visible wireless network. I first used an old iPhone to register the device, and then switched the sim to the EP06-A. I cloned the IMEI of the iPhone onto the modem, the modem is on the latest firmware, have installed the latest windows drivers for the modem, and used the following to set the APN.

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at+cgdcont=1,"IP","VSBLINTERNET" : sets APN as visble (seems that capitalization matters)
at+cgdcont=1,"IPV4V6","VSBLINTERNET" : allows for IPV4V6 use... this was a setting that seemed to "enable" my service.

I've also set APN via windows settings, however, it still registers as Verizon LTE and I have no data. Every time I attempt to connect via windows network page, I get an error message saying "Can't connect to this network. Enter an APN and try again".

I've attempted several connection modes but only default registers on Windows.

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Set Connection Modes
AT+QCFG="usbnet",0 - QMI/PPP/Default
AT+QCFG="usbnet",1 - ECM
AT+QCFG="usbnet",2 - MBIM

Using AT command tester, debug info seems confusing:

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Checking registration status...

AT+CREG?

+CREG: 1,3

OK
Registration is denied. Please check the SIM card.

AT+CGREG?

+CGREG: 0,1

OK
The device is registered in home network.

Checking if device is already connected...

AT+CGACT?

+CGACT: 1,1
+CGACT: 2,0
+CGACT: 3,0
+CGACT: 4,0
+CGACT: 5,0
+CGACT: 6,0

OK
Device is already connected

Here's the list of APNs/PDP contexts. I modified slots 1-4 to be visible specific.

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 1	IPV4V6	VSBLINTERNET	0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0	0	0
 2	IPV4V6	VSBLADMIN	0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0	0	0
 3	IPV4V6	VSBLIMS	0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0	0	0
 4	IPV4V6	VSBLAPP	0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0	0	0
 5	IPV4V6	vzw800	0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0	0	0
 6	IPV4V6	vzwemergency	0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0	0	0

I can't figure out what I'm doing wrong. AT command says it's connected, but Windows doesn't recognize and I don't have any data. Any help is greatly appreciated! Thanks!

Posted: **Wed Oct 21, 2020 6:14 pm**

I have to ask: Did you install the Windows modem USB drivers from Quectel first?

I think Visbile must run on MBIM, I keep forgetting

Also I would clear all of those APNs out and stick with just VSBLINTERNET

You may want to make one for IPV4V6 and one thats just IPV6 or also try just IPV4 only. :shrug:

Posted: **Thu Oct 22, 2020 12:34 pm**

I was on visible for a short time and as suggested above all I did was use the apn vsblinternet and left the modem in the default mbim mode.

Also using an ep06-a when I was on it. Now mind you I used the modem in a wg3526 enclosure running rooter.

Posted: **Thu Oct 22, 2020 1:29 pm**

https://wirelessjoint.com/viewtopic.php?f=32 ... lit#p11658

Posted: **Thu Oct 22, 2020 3:59 pm**

I've followed guidance, however, I still can't get the modem to connect....

I ultimately want to use my gl.inet X-750 to have both AT&T and Visible running off of it at the same time, serving my network. I use AT&T as my primary ISP (running off of an EP06-A installed as default hardware in the router) and want to use Visible via the EP06-A housed in the USB enclosure attached via USB.

I've installed MBIM package via LuCi

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kmod-usb-net-cdc-mbim Kernel module for MBIM Devices
umbim MBIM modem utility

The GL.iNet doesn't recognize the USB device in QMI or MBIM, only in ECM as a Tether option. This obviously doesn't work.

I can't get the device to connect via USB on Windows in QMI or MBIM or when connected via USB on the router in any mode.

Any help is appreciated! Thanks!

Posted: **Thu Oct 22, 2020 4:39 pm**

After checking my connection via AT commands, I get the following:

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SIM is ready
AT+CGDCONT?

+CGDCONT: 1,"IPV6","VSBLINTERNET","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0

OK
Following connection profiles are available,

CID-> 1
PDP Type->IPV6
APN->VSBLINTERNET
PDP Address->0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
Data Compression->0
Header Compression->0
AT+CSQ

+CSQ: 16,99

OK
Signal level is -81 dbm. Signal condition is good. The signal strength range is -53 dbm (Excellent) to -109 dbm (Marginal).

AT+IPR? 

+IPR: 115200

OK
Serial port speed is set to 115200.
AT+COPS?

+COPS: 0,0,"Visible",7

OK
Device is currently on "Visible" network.

AT+CREG?

+CREG: 0,3

OK
Registration is denied. Please check the SIM card.

AT+CGACT?

+CGACT: 1,1

OK
AT+CGPADDR= 1

ERROR
AT+CGATT?

+CGATT: 1

OK
Device is attached to the network
AT+CFUN?

+CFUN: 1

Is there any reason why my registration would continually be denied? I'm in MBIM mode following the directions from here: https://wirelessjoint.com/viewtopic.php?f=32 ... lit#p11658

Posted: **Sun Oct 25, 2020 1:18 am**

I don't have an answer for you. Some suggestions:
- pop the SIM back into the iphone and make sure it's still working, maybe you can verify some settings in the iphone, such as APN?
- I find `gl_modem -B 1-1.2 cells` on the gl-inet handy, it shows the primary cell and secondaries, you can get that info via the GUI as well if you run a recent release. Make sure it's trying to connect to a verizon tower, I've had some trouble seeing mine sit on ATT for a long time before it finally discovered the verizon signal
- `gl_modem -B 1-1.2 AT /dev/ttyUSB2 'AT+QNWINFO' ` can be helpful too
- triple-check the IMEI in your ep06...

Wireless Joint

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