If your Fitbit Charge HR isn't working quite right, then restarting the device should do the trick. Whether you're having issues syncing the Fitbit with your phone or the device is running slowly ...

To check the previous night’s sleep metrics, you’ll first need to sync your Fitbit tracker or watch with your smartphone. Swipe up from the clock face on your tracker or watch to get to the ...

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.

Try to determine where your phone was at the time of the last sync, and concentrate your search there. Take the phone that you've paired with your Fitbit and bring it to where you might have last ...