RUT240 keeps disconnecting from LTE during download

FW: RUT2_R_00.07.06.17

Immediately after I try to download something, I am getting disconnected.

Wed Apr 9 13:15:09 2025 user.notice mwan3track[3206]: Interface mob1s1a1 (qmimux0) is disconnecting
Wed Apr 9 13:15:10 2025 daemon.notice netifd: mob1s1a1 (25768): Request timed out
Wed Apr 9 13:15:10 2025 daemon.notice netifd: mob1s1a1 (25768): Mobile connection lost!
Wed Apr 9 13:15:10 2025 daemon.notice netifd: Interface ‘mob1s1a1’ has lost the connection
Wed Apr 9 13:15:10 2025 daemon.notice netifd: Network device ‘wwan0’ link is down
Wed Apr 9 13:15:11 2025 daemon.notice wpa_supplicant[1884]: CTRL_IFACE: Detach monitor that cannot receive messages: /var/run/iwinfo-wlan0-1-1941\x00
Wed Apr 9 13:15:13 2025 daemon.notice netifd: mob1s1a1 (31696): Stopping network mob1s1a1
Wed Apr 9 13:15:13 2025 daemon.notice netifd: mob1s1a1 (31696): Stopping network on /dev/cdc-wdm0!

Kernel log:

[ 569.988858] usb 1-1: USB disconnect, device number 2
[ 569.993090] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 570.000736] option 1-1:1.0: device disconnected
[ 570.005777] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 570.013208] option 1-1:1.1: device disconnected
[ 570.200278] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 570.207118] option 1-1:1.2: device disconnected
[ 570.212300] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3
[ 570.219647] option 1-1:1.3: device disconnected
[ 570.224755] qmi_wwan 1-1:1.5 wwan0: unregister ‘qmi_wwan’ usb-ci_hdrc.0-1, WWAN/QMI device
[ 576.671534] usb 1-1: new high-speed USB device number 3 using ci_hdrc
[ 576.867535] option 1-1:1.0: GSM modem (1-port) converter detected
[ 576.872747] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
[ 576.880281] option 1-1:1.1: GSM modem (1-port) converter detected
[ 576.885619] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
[ 576.893076] option 1-1:1.2: GSM modem (1-port) converter detected
[ 576.898467] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB3
[ 576.905919] option 1-1:1.3: GSM modem (1-port) converter detected
[ 576.911320] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB4

I do not know what is the reason behind this. After few minutes it gets up and working again.

What shall I do to fix this?

I tried to reboot.

Thanks.

Hello,

I have sent you a form to fill out. Once completed, I will contact you privately regarding this issue. Please use the ticket ID “13216” when submitting the form.

Best regards,

1 Like

Hello,

Unfortunately, we still haven’t received a response to our email. Could you please confirm whether you received it and if you have already replied?

Best regards,

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