Note that this device is supported by fwupd.
To perform firmware upgrades use fwupdmgr to perform updates.
The laptop uses the S2 sleep mode by default instead of S3, which leads to draining a lot of battery during sleep.
See https://wiki.archlinux.org/index.php/Dell_XPS_13_(9370)#Power_Management and https://bugzilla.kernel.org/show_bug.cgi?id=199689#c3 for reference