Fitbit Ace 2

Reset

1. Plug the charging cable into the USB port on your computer or any UL-certified USB wall charger.
2. Hold the other end of the charging cable near the port on the back of the tracker until it attaches magnetically. The pins on the charging cable must connect securely with the port.
3. Press and hold the button on your tracker for 5 seconds.
4. Release the button. When you see a smile icon and the tracker vibrates, the tracker restarted.

Factory Reset

1. Plug the charging cable into the USB port on your computer or any UL-certified USB wall charger.
2. Now open the Settings app on the Ace 2.
3. Find and select the "Clear User Data"
4. When prompted, touch and hold the screen for about 3 seconds, then release.
5. After your tracker vibrates and the clock appears on the screen, your data is erased.