• @HughB
    Sorry I wasn't able to do proper workout but I can confirm that z axis is broken and constantly shows

    -3.99987792968
    

    any advice?

  • Unless a flatten the battery reset fixes it, it looks like a broken accelerometer.
    In order for the step counter to work it uses SQRT(X^2 + Y^2 + Z^2).

    Step counters that only one axis tend to stop working in certain positions - eg one of the Garmin (£500) smartwatch wont count steps if you walk with sticks.

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