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update bios from debian

has anyone tried to update their bios from debian or linux in general?

i've looked at these pages ->

and have downloaded the packages that they say to get, and have also downloaded the new bios from lenovo's website.

don't really want to turn my laptop into a brick, so i'm curious if anyone has done this before, and if so anything that i should worry, not worry about?  

the lenovo site say to just click on the .exe, yet i don't know if it needs windows to do the install or not.

any thoughts?