RUTX11 Internal modem is unreachable

Networking Solutions
1

Cellular not working due to Internal modem is unreachable

Model - RUTX11
Firmware - RUTX_R_00.07.16.1

 Teltonika RUTX series 2025

Device: RUTX11
Kernel: 6.6.92
Firmware: RUTX_R_00.07.16.1
Build: a01c4c02aa1
Build date: 2025-07-16 05:11:04

root@RUTX11:~# opkg list | grep -e modem_updater
modem_updater - 7.16
root@RUTX11:~# opkg update modem_updater
Downloading https://opkg.teltonika-networks.com/6ccee39b39f0a3875f185805acc8576dbca8b3bb1a95243f5a996e292fb4796b/Packages.gz
Updated list of available packages in /var/opkg-lists/tlt_packages
Downloading https://opkg.teltonika-networks.com/6ccee39b39f0a3875f185805acc8576dbca8b3bb1a95243f5a996e292fb4796b/Packages.sig
Signature check passed.
root@RUTX11:~# opkg install modem_updater
Package modem_updater (7.16) installed in root is up to date.
root@RUTX11:~# modem_updater -g
Command failed: Not found
Modem List:
Command failed: Not found
root@RUTX11:~# ll /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 Jul 22 14:32 /dev/ttyUSB0
crw-rw---- 1 root dialout 188, 1 Jul 22 14:32 /dev/ttyUSB1
crw-rw---- 1 root dialout 188, 2 Jul 22 14:32 /dev/ttyUSB2
crw-rw---- 1 root dialout 188, 3 Jul 22 14:32 /dev/ttyUSB3
root@RUTX11:~# lsusb
Bus 003 Device 001: ID 1d6b:0002
Bus 001 Device 001: ID 1d6b:0002
Bus 001 Device 002: ID 04b4:6572
Bus 002 Device 001: ID 1d6b:0003
Bus 001 Device 003: ID 0a12:0001
root@RUTX11:~#

3

Hello,

Unfortunately, based on the lsusb output, it appears that the modem is no longer recoverable programmatically.
You will need to contact your distributor to initiate the RMA process for device repair.

Best regards,