@Jerry-lee-tpe, Following your steps:
Hirsute is installed on L460 , the kernel is replaced with Focal's kernel (5.8.0-63-generic) (1) is passed. The initial kernel of Hirsute is 5.11.0-16-generic, the issue reproduces; Upgrade kernel to 5.11.0-31-generic, the issue reproduces. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1940377 Title: The WWAN - Huawei Technologies Co., Ltd. [12d1:15c1] does not work after install Ubuntu Hirsute. Status in network-manager package in Ubuntu: New Bug description: u@u-ThinkPad-L460:~$ uname -a Linux u-ThinkPad-L460 Kernel 5.11.0-16-generic #17-Ubuntu SMP Wed Apr 14 20:12:43 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux u@u-ThinkPad-L460:~$ cat /etc/issue Ubuntu 21.04 \n \l CPU : Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz WWAN : 12d1:15c1 Huawei Technologies Co., Ltd. ME906s LTE M.2 Module [Steps] 1. Make a Live CD for Ubuntu Hirsute 2. Plug in the Live CD 3. Boot ThinkPad L460 4. Install Ubuntu Hirsute and completed all configurations 5. Make sure the installation done 6. Boot the system and log in 7. Enable the proposed channel 8. Do the update and upgrade 9. Reboot the system and check mmcli is upgraded to 1.16.6 7. Verify the WWAN working or not. [Actual result] The WWAN can not be detected. ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: ubuntu-release-upgrader-core 1:21.04.16 ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12 Uname: Linux 5.11.0-16-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 CasperMD5CheckResult: pass CrashDB: ubuntu Date: Wed Aug 18 01:32:17 2021 InstallationDate: Installed on 2021-08-18 (0 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader Symptom: ubuntu-release-upgrader UpgradeStatus: No upgrade log present (probably fresh install) --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 CasperMD5CheckResult: pass DistroRelease: Ubuntu 21.04 InstallationDate: Installed on 2021-08-18 (0 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) IpRoute: default via 10.1.1.1 dev wlp3s0 proto dhcp metric 600 10.1.1.0/24 dev wlp3s0 proto kernel scope link src 10.1.1.106 metric 600 169.254.0.0/16 dev wlp3s0 scope link metric 1000 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true Package: network-manager 1.30.0-1ubuntu3 PackageArchitecture: amd64 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12 Tags: hirsute Uname: Linux 5.11.0-16-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True nmcli-nm: RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN running 1.30.0 connected started full enabled enabled enabled enabled enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1940377/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp