If your Fitbit won't charge properly, there are a number of things you can try to get it working again, including cleaning ...
You can fully charge your Fitbit Blaze in less than two hours, and you should be able to use it for almost a full week ...
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 ...