Dyson V15 Firmware Update Official

For official release notes, visit Dyson’s firmware update history page (login required) or contact Dyson Customer Care.

Dyson is notoriously secretive about patch notes. However, user forums and testing have revealed several major changes introduced via firmware over the last two years. If you haven't updated recently, here is what you are missing:

In Auto mode, the software constantly communicates with the microprocessors inside the Digital Motorbar and the click-in battery. It calculates remaining runtime down to the second, adjusting the countdown timer on the LCD screen in real-time based on your current floor type. 3. Laser and Screen UI Bug Fixes

: If your particle count display is erratic, it is often due to dust buildup on the internal Piezo sensor. Thoroughly cleaning the bin and filter can "reset" these readings. dyson v15 firmware update

(formerly Dyson Link) provides maintenance guides and support, it cannot communicate with the to push software updates.

Firmware updates happen via Bluetooth, which has a short range. Place your phone within 3 feet (1 meter) of the LCD screen on the vacuum.

Have you noticed a change in your V15’s performance after an update? Let us know in the comments below! For official release notes, visit Dyson’s firmware update

Particles can "mineralize" in the filter over time, blocking airflow even after washing. Replacing the filter every 12 months is recommended.

Following a deep discharge cycle, the internal battery monitoring system algorithm miscalculates the remaining run time, causing the display to abruptly flash low-battery warnings despite being fully charged. Reddit·r/dyson

The short answer is

There are unofficial, highly technical projects in communities like GitHub focused on custom firmware for Dyson Battery Management Systems (BMS).

If support identifies a software or mainboard glitch, they will issue a shipping label to send your vacuum head to a service center, or send a replacement main body assembly pre-loaded with the latest stable firmware.