Can you update the firmware of the 56mm F1.4 DC DN | Contemporary in-camera?

You can update the firmware of the 56mm F1.4 DC DN | Contemporary in-camera with the L-Mount, Sony E mount, and Micro 4/3 mount. With the Canon EF-M mount lenses, firmware update is done on a PC with SIGMA Optimization Pro installed, using the USB DOCK UD-11. The firmware of an L-Mount lens can be updated either in-camera or using the USB DOCK.