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  • Hi - in that last photo you posted - the one that says 67 - it looks like you're starting to get a really good reading.

    I think the problem you might be hitting is that the sensor takes 10-20 seconds to calibrate itself, so if you move the Bangle, it can take a while before the change you made takes effect.

    Also, the heart rate monitor app actually uses a different algorithm to the 'internal' heart rate monitor (because it's attempting to show you real-time values). You should find that in all the cases you show, the internal heart rate monitor (that you'd see used on something like the heart rate widget at or any other app that uses heart rate) would be able to get a valid heart rate value for you since it works by finding repeating patterns rather than by detecting peaks.


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