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Hi, it's not an android problem. This is the statement of fitbit itself: "Due to Bluetooth issues that prevent certain devices, like Fitbit devices, from syncing, our products aren't compatible with the following phones" , one of these phones is the one you mention. However there seems to be a fix for that, see: https://www.reddit.com/r/fitbit/comments/abk4xh/huawei_sync_fix/. Don't know if it works or not.
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