3G/4G & LTE Base HAT, Telit modem ERROR on configure APN for inet connection with ECM

Cellular Modules Telit LE910C1/C4 LTE Module
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21

Hello,
I am trying to configure the module (Tellit LE910C1-EU) with a Raspberry Pi 3, but with a Yocto embedded Linux distribution running on the Pi : https://www.yoctoproject.org/
The module is configuring perfectly with the original OS, but with the Yocto distribution I have an error at AT#USBCFG=4 and AT#ECM=1,0.
I am not sure if the problem comes from the module configuration, or from something missing in the configuration of Yocto, that is the reason I am asking for some help/advice here :wink:
@ensar I see that you already helped a lot in this topic :wink:

Here are the response I have to different commands :

AT#USBCFG?
#USBCFG:4

AT+CGMR
M0F.22.00.10

AT+CREG?
+CREG:0,0

AT#ECM?
#ECM: 0,0

AT+CPIN?
+CPIN: READY

AT+CGDCONT?
+CGDCONT: 1,“IP”,“”,"",0,0,0,0
+CGDCONT: 2," IPV4V6",“ims”,"",0,0,0,0
+CGDCONT: 3,“IPV4V6”,“sos”,"",0,0,0,1

AT+CSQ
+CSQ: 25,6
22

Hi @JonathanB,

Which SIM are you using? Your SIM is not registered to the network. You also need to set the APN of the SIM.

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23

Hi,
I may have found a solution meanwhile. If It does not work I’ill come back to you :wink:

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24

@ensar
I finally decided to use this method : Setting up a data connection over QMI interface using libqmi (sixfab.com) and it is working perfectly :slightly_smiling_face:

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