Yes, wifi is correct and works perfectly on two other Fedora laptops and my phone.

Before I installed broadcom-wl and disabled secure boot, WiFi did not work at all by the way. It was installed following this: https://gist.github.com/markcaudill/c161b4d30f7f7ffdabbe

[cen@localhost ~] $ lspci -vnn -d 14e4:
08:00.0 Network controller [0280]: Broadcom Limited BCM4352 802.11ac Wireless Network Adapter [14e4:43b1] (rev 03)
    Subsystem: Lenovo Device [17aa:0623]
    Flags: bus master, fast devsel, latency 0, IRQ 17
    Memory at d1600000 (64-bit, non-prefetchable) [size=32K]
    Memory at d1400000 (64-bit, non-prefetchable) [size=2M]
    Capabilities: <access denied>
    Kernel driver in use: wl
    Kernel modules: bcma, wl

Rick Stevens je 07. 02. 2017 ob 22:06 napisal:
On 02/07/2017 12:46 PM, cen wrote:
08:00.0 Network controller: Broadcom Limited BCM4352 802.11ac Wireless
Network Adapter (rev 03)

Nothing particularly interesting in dmesg:

[cen@localhost ~] $ dmesg |grep WL
[   17.624730] WLC_SCAN error (-22)
[   18.626270] WLC_SCAN error (-22)
[   19.627999] WLC_SCAN error (-22)
[   20.629398] WLC_SCAN error (-22)
[   21.631062] WLC_SCAN error (-22)
[   22.632180] WLC_SCAN error (-22)

[   11.270299] wl: loading out-of-tree module taints kernel.
[   11.270302] wl: module license 'MIXED/Proprietary' taints kernel.
[   11.272360] wl: module verification failed: signature and/or required
key missing - tainting kernel
[   11.387216] wl 0000:08:00.0 wlp8s0: renamed from eth0
[   12.215523] IPv6: ADDRCONF(NETDEV_UP): wlp8s0: link is not ready


Since only proprietary driver exists for this card, should I even bother
debugging (how?) or is all hope lost? Wifi is super slow (100KB) and
drops constantly.
Can you verify that the thing is connected to the correct wifi network,
on an uncluttered channel? Are you certain you don't have a different
Broadcom driver (e.g. b43 or bcma) loaded that might conflict?
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