Fitbit offers both factory reset and restart options for its devices. A factory reset is best for selling or handing off your Fitbit. Back up your data before starting the process. A restart is ...

Unlike many Fitbit trackers, the Fitbit One cannot be reset to its factory settings by a user, but there are still ways to help get a sluggish or malfunctioning Fitbit One working again.

This is a more difficult process than a simple reset — here's how to do it. 1. Connect the Fitbit's power cable (which must be plugged into a power source). 2. Press and hold the button for two ...