The Sophos UTM smart installer is a USB device containing a unique chip allowing emulation of a USB CD-ROM. With it you can place the latest version of a UTM ISO image on a Sophos UTM appliance if the installation is many updates or major versions behind, saving the long process of applying many updates or moving across major versions all at once.
It is also possible to use the Sophos UTM smart installer as a regular USB drive to transport backup files, license keys, and other information. The Sophos UTM smart installer can be used for updating, field deployments, disaster recovery, configuration installs - any situation where a USB CD-ROM might be required. In addition to acting as an imaging tool, the drive also provides normal thumb-drive functionality for storing manuals, walkthroughs, guides, backup files, single updates, and other resources.