Since there is no "update" button, the closest thing to a reset is removing the battery. Press the red release button, slide the battery out for 30 seconds, and click it back in.
The is the secret sauce that transforms a good vacuum into a great one over time. These updates can fix bugs, improve battery efficiency, refine the particle-counting algorithm, and add entirely new features.
Bluetooth interference or the vacuum is asleep. Fix: Pull the trigger on the vacuum to wake it up. Keep the trigger depressed (you might need to wrap a rubber band around it or have a helper hold it) while the app searches. The V15 only broadcasts its signal when active.
Dyson V15 Firmware Update – New Features & Performance Enhancements
Press and hold the selection button under the screen to enter the settings menu.
Even without a direct internet connection for the vacuum itself, the MyDyson™ app remains critical for V15 owners.
: Newer revisions of the wand include a built-in dusting and crevice tool hidden inside the tube for faster switching. 3. Managing Your V15 Settings