In both the "good" and the "bad" syslog, this error sticks out:
Jan 19 18:24:06 ubuntu systemd[6325]: usb_modeswitch@1-3.service: Failed at step EXEC spawning /usr/sbin/usb_modeswitch_dispatcher: No such file or directory -- 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
