Background Device Firmware Update Guide
The following guide covers frequently asked questions pertaining to the Background Device Firmware Update feature:
What is the Background Device Firmware update feature and what does it do?
Background Device Firmware Update (DFU) ensures your device installs the latest necessary firmware and security updates in the āDO NOT DISTURBā mode without interrupting your workflow. These updates protect your device from any known vulnerabilities and threats.
How does the Background DFU work?
Background DFU (Device Firmware update) is meant to provide updates to your device without interrupting your workflow.Ā
As a MX Master 4 user, when you are in Options+ homepage and a device firmware update is happening in the background, you will still see a progress indicator with a message āDevice update in progressā. You will be able to use the mouse while DFU is in progress.
Once the device update is complete, you will see the message āDevice Updatedā.Ā If an unforeseen error occurs, you will have the option to retry the update in which case, the DFU switches to manual mode which will require your intervention.
Can I turn off Background DFU when it's running?
No, you wonāt be able to turn off Background DFU as it is important for updates to not be interrupted.