or the BB5 Easy Service Tool (BEST) . This utility serves as the bridge between your physical smart card and the official servers to ensure your hardware is registered, updated, and ready for phone servicing.
Newer versions of the Infinity Manager (v2.xx and above) often introduce support for the new "Infinity-Box 2" or "Best" dongles. For technicians using the original (the red or blue PCB dongle), v1.72 represents the last stable version before feature-bloat began causing USB enumeration errors on Windows 7 and XP systems.