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The Latest Fitbit OS Update Delivers Even More Health and Convenient Features to Smartwatches - Fitbit Blog
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Fitbit OS Update for Versa 2, Ionic: Clock face switcher, always-on enhancements, advanced sleep tools, more | Stark Insider
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FitbitOS update to come with improved heart rate tracking, sleep health support, plus Wellness Reports for subscribers | MobiHealthNews
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Fitbit OS 4.1 update announced with new clock faces, smart wake and more features | Technology News,The Indian Express
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