Looking at the original 5.4 syslog again we can see the same error so I don't think that is the issue:
Jan 11 10:51:06 ubuntu usb_modeswitch_dispatcher[6535]: Unable to open bind list file: No such file or directory Jan 11 10:51:06 ubuntu usb_modeswitch[6535]: usb_modeswitch: add device ID 19d2:1589 to driver option Jan 11 10:51:06 ubuntu usb_modeswitch[6535]: usb_modeswitch: please report the device ID to the Linux USB developers! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910982 Title: ZTE Modem USB stick not recognized with kernel 5.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usb-modeswitch/+bug/1910982/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
