If your Fitbit won't charge properly, there are a number of things you can try to get it working again, including cleaning the device.
Fitbit Charge 5 Review
Solved: Charge 5 stuck on a red X - Fitbit Community
Not sure what going on with charge 5 and app? Missing info as you can see. Won't sync. Have restarted the watch. Bluetooth on/off & force closed app. Any ideas pls ?
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Fitbit Charge 5 review
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Solved: Charge 5 Won't Charge - Fitbit Community
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