10-27-2020 08:16
10-27-2020 08:16
I’ve tried deleting heart rate data and readjusted my band. How can I get my Fitbit to record heart rate and sleep details?
10-27-2020 08:36
10-27-2020 08:36
Flex 2 does not have track heart rate; it does not have the sensor for that.
If by "Sleep details", you mean sleep stages, cannot get them without heart rate.