FitBit Charge 4
- Make sure the FitBit Charge 4 is plugged in.
- Press and hold the button on the side of the FitBit for 8 seconds, a smiley face will appear on screen.
- FitBit Charge will now be reset.
- Swipe left three times on the screen to get to the Settings app.
- Scroll all the way to the bottom and click "About".
- Select Clear User Data in the about menu.