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The latest galaxy fit 4 news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks galaxy fit 4 across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

Samsung is working on the Galaxy Fit 4, model SM-R391, per documentation and a rear render. The device likely uses a Goodix GH3036 optical sensor for low-power heart rate and sleep tracking with Bluetooth Low Energy. The rear design is near-identical to the Galaxy Fit 3.
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