It sounds like the update firmware folder doesn't contain good files or file because the
update process just barely got started, then hung. I would re-download the proper files,
and try again.
Trying to to do updates from a Linux system has been a problem reported on this forum
in the past, you might have better luck on your windows laptop. You could follow the
steps I described to prepare your Libre's memory and the SD card using that.
You might consider that unless you mention otherwise, it will normally be assumed that
your PC will be running under a Windows OS.
Luck;
Ken
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