Lenovo offers an update tool for the NVMe SSD of my notebook (Lenovo X390). Unfortunately, the installation instructions (README.txt) are not sufficient to run the update tool.
What do I need to do to run the update tool?
"INSTALLATION INSTRUCTIONS
Copy firmware update tool to local directory.
Add execution permission if required.
a. Irmfuu file may not be executable (w/o “x” attributeW to file) after copy.
In this case, run chmod + x irmfuu to add execution permission to the file and run
all after that to confirm “x” /execution permission is added to irmfuu.
Switch to root then run irmfuu executable.
a. Switch to root or add $user to root group to run sudo.
Reboot and check update result.
a. Run irmfuu show after system reboot to confirm update result."
Copy the firmware update tool to a local directory (“folder”). This tool is obviously called irmfuu.
Make sure that the file has execute permission.
if [ ! -x irmfuu] && chmod 755 irmfuu
You can execute it with sudo.
sudo ./irfmuu
Note: Using an absolute or relative path to the file is necessary if the file is not stored in a directory that’s already in your $PATH. So the above command assumes that you are in the directory (“folder”) that the file is in. If it’s in a different folder, then you have to prepend the filename with the path to the file, e.g.
sudo /path/to/where/it/is/irmfuu
Reboot, and then run the utility to check the result of the update…