Installed elementary OS Juno on a Lenovo ideapad S130-11IGM (along with windows 10). WLAN can not be activated.
I would like to install Intel's microcode for my WLAN board manually (no other internet access).
The relevant microcode is available now dezipped on an USB drive as
How can a Linux beginner install that code in Elementary OS? Direct access to the directory
/lib/firmware is blocked.
Thanks for your help.