Have you tried this - https://www.dell.com/support/article/ba/en/babsdt1/sln306440/killer-n1535 -wireless-firmware-manual-update-guide-for-ubuntu-systems?lang=en any luck?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828578 Title: dell xps 9570 killer wifi reconnection issue followed by freeze + Ubuntu 18.04.2 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1828578/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs