BIOS update are important, you know that. Dell XPS 13 9343 (2015) receive them frequently with an always interesting change-log.
However Dell BIOS update file is shipped as an exe file. Too bad if you use Linux… But in fact it is fairly simple to install BIOS update under Linux on the Dell XPS 13 9343 without have to boot Windows.
This guide is outdated and for reference material only! Please use the new and up-to-date guide now !
Update 10/09/2015 : New guide is live!
Update 31/08/2015 : Barton George announced the incoming A06 Bios version permanently fixing keyboard repeating issue. A lot of others fix are coming (Kernel panics when switching wireless networks, Suspend resume and trackpad cursor freezing). I will try to promptly write a new and simpler guide including all those new bug-fixes once they have all been confirmed working properly.
Update 31/07/2015 : Bios A05 is out ! Changelog is “Improved Keyboard behaviour” (maybe fix the keyboard repeating issue on Linux) and “Windows 10 Support”.
Update 29/07/2015 : Fixed power saving script witch was not automatically launched.
Update 22/07/2015 : Kernel 4.1.3 fixed broken microphone.
I recently bought a XPS 13 2015 Developer edition. It is a great laptop equipped of an Intel Core i7-5500U, 8 Go of ram, a 512 Go SSD and a QHD+ (3 200 x 1 800) touch display.
I primarily bought the XPS because it was shipped with Ubuntu 14.04. Dell is working hard to make everything working correctly with their hardware (see Project Sputnik). But there are still a load of problems and complains about the Linux support on this laptop :