Dell recently released a new BIOS revision for the XPS 15 9570, so we thought we would test it. Despite reports to the contrary, the update does not break USB Type-C charging, nor does it have any negative effects on performance either. Read on to find out our experiences with BIOS 1.13.0 for the XPS 15 9570.
https://www.notebookcheck.net/Dell-has-not-broken-USB-Type-C-charging-on-the-XPS-15-9570-with-BIOS-1-13-0-may-have-minimised-fans-running-on-standby-though.435308.0.html