FitBit GPS Tracking? topic

Hi friends,

I'm very happy with my M8. Everything is working fine except for one thing: FitBit GPS Tracking.
Today I walked about an hour through the forrest and fitbit tells me it was a distance of 100m... (but ~ 5000 Steps)
It works if I turn on the display - but that's stupid...

Any suggestions?

HTC One M8 with Stock ROM, but rooted, unlocked bootloader and xposed with sense toolbox.

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