Important note: You can only attach your ID to one device at a time. If you need to remove it from another phone, you can do so in your Google Wallet app or your Google online account. Once you find ...

You might be using Weight Watchers to keep track of what you eat, and maybe you’ve got a Fitbit to see how much you’re moving ...

We found the best walking apps for everyone (regardless of your goals), from data lovers to guided-workout enthusiasts.

Tap the Settings app (gear icon) on your Fitbit device. Tap About or Device Info (if you see these options). Next, select Clear User Data or Factory Reset. Depending on your device, you may be ...