uConsole 4G Not working

uConsole
1

I’ve read through the 4g wiki, but I’m seeing some of the things described there but not others:

  • I downloaded the system 1.3 image and loaded it into my new uConsole CM4+4G. (which is otherwise working perfectly)
  • I have a T-Mobile SIM card seated correctly in the slot
  • The 4G antenna appears to be installed correctly
  • The speakers (which connect through the 4g card) are working
  • I went to /usr/local/bin and ran the following (bold are commands I entered):

uconsole-4g-cm4 enable
Power on 4G module on uConsole cm4
waiting…
done
use mmcli -L to see 4G modem or not

echo -en “AT+CUSBPIDSWITCH?\r\n” | sudo socat - /dev/ttyUSB2,crnl
+CPIN: READY
SMS DONE
PB DONE
AT+CUSBPIDSWITCH?
+CUSBPIDSWITCH: 9001
OK

mmcli -L
No modems were found

mmcli -m any | grep “primary port”
error: couldn’t find modem

echo -en “AT+COPS?\r\n” | sudo socat - /dev/ttyUSB3,crnl
+CPIN: READY
SMS DONE
PB DONE
AT+COPS?
+COPS: 0,0,“T-Mobile”,7

echo -en “AT+GMR\r\n” | sudo socat - /dev/ttyUSB2,crnl
AT+GMR
+GMR: LE20B04SIM7600G22
(this is the same firmware version described on How to upgrade 4G extension firmware · clockworkpi/uConsole Wiki · GitHub)

I also don’t see any mention of the card or usb in sudo ifconfig (only eth0, lo, and wlan0).

Any help would be appreciated!

Jeffrey Baron

2

I suggest to upgrade the firmware once

follow the steps in the wiki :

the right id is 9011, 9011 will give you the usb0

which will automaticly connect the 4G celluar data network

3

I’m concerned because of this line in the instructions you linked to:

“Next, use sudo ./fastboot/bin/fastboot devices to ensure that the device is detected. It should display something like MDM9607 fastboot .
If there is no device information, the operation must be halted.”

I activated the modem using uconsole-4g-cm4 enable, but when I run sudo ./fastboot/bin/fastboot devices, I get no response. If I ignore the warning above and run ./flash.sh according to the instructions, it never gets past “< waiting for device >”.

From what I can see, although I seem to be able to enable the modem and send AT instructions to it, nothing appears to recognize that the modem is there.

Any ideas?

4

right after uconsole-4g-cm4 enable

run

sudo dmesg | tail

can you see

/dev/ttyUSB0 
/dev/ttyUSB1
/dev/ttyUSB2
....

something like this ?

5

Please try to restart the ModemManager:

sudo systemctl restart ModemManager

Or try further by issuing a reprobe request:

sudo mmcli -S

Hope this can help.

1 Like
6

Well, it would appear that patience & persistence pay off, because, after re-flashing the disk image and then immediately following the instructions exactly, I have a live 4G connection and the ID is 9011. Thanks for your help with this!