This sensor listens to vibrations at 15,000 times per second to classify dust particles as small, medium, or large. Firmware updates refine this algorithm, reducing false positives (e.g., mistaking a large grain of sugar for dust) and improving particle size recognition.
: Users discovered that the only thing preventing a standard V15 from using the wet mop attachment is a software limitation in the firmware. dyson v15 firmware update upd
A common reason users search for firmware updates is the release of the . While the hardware of the V15 and V15s is nearly identical, the V15s includes specialized software to recognize the Submarine wet roller head and disable suction to prevent water from entering the motor. This sensor listens to vibrations at 15,000 times