Dyson V15 Firmware Update ((link)) -

The story of the Dyson V15 firmware update is a mix of technical reality and a common consumer misconception. Here is the direct breakdown of why "updating" a V15 isn't as straightforward as it sounds: The "No Connectivity" Reality

Power mode selections (Eco, Auto, Boost) reverting unexpectedly after the trigger is released. dyson v15 firmware update