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When you do a sync you need Bluetooth to connect your phone to the fitbit and you need Internet access to connect the phone to the fitbit servers. The sync takes data from the fitbit and updates the fitbit servers. So you'll need either wifi or mobile data on your phone to sync.
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Welcome @AugustVerne and @SteveH it's nice to see you here!
@AugustVerne As my friend @SteveH explained in his post, there is no way to sync your tracker without an Internet connection (WiFi or Mobile Data), however most Fitbit trackers record detailed minute-by-minute data for seven days. After seven days, Fitbit trackers can store daily totals for up to 30 days.
I hope this resolve your inquiry and we'll be around if you have more questions. ![]()
What's for breakfast?Check others recipes and share yours!
Feel free to add your vote / comment to @Walton3412 's suggestion on the Feature Requests subforum:
The more votes increases the chance of the developers integrate the functionality.