Thank you @kchsieh and @vicamo I followed the steps mentioned above and installed the linux-headers-oem-20.04b and linux-image-oem-20.04b packages. After rebooting using the 5.10 kernel, I still don't see the WiFi card recognized.
$ uname -a Linux sgb3 5.10.0-1014-oem #15-Ubuntu SMP Wed Feb 3 14:07:18 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux I am seeing the following in kernel log: $ grep 'ath11k' kernel.log Feb 03 14:42:38 sgb3 kernel: ath11k_pci 0000:71:00.0: WARNING: ath11k PCI support is experimental! Feb 03 14:42:38 sgb3 kernel: ath11k_pci 0000:71:00.0: BAR 0: assigned [mem 0xa6100000-0xa61fffff 64bit] Feb 03 14:42:38 sgb3 kernel: ath11k_pci 0000:71:00.0: enabling device (0000 -> 0002) Feb 03 14:42:38 sgb3 kernel: ath11k_pci 0000:71:00.0: MSI vectors: 32 Feb 03 14:42:38 sgb3 kernel: mhi 0000:71:00.0: Direct firmware load for ath11k/QCA6390/hw2.0/amss.bin failed with error -2 ** Attachment added: "Kernel log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879633/+attachment/5459476/+files/kernel.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879633 Title: Killer 500s (QCA6390) WLAN/BT [17cb:1101] unavailable To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1879633/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
