Lemfo LES 1 Heart sensor always open.

My lemfo heart sensor always open. İ restarted watch and reset all data it doesn’t work. Pls help me.

Feb 19, 2018 8:15:33 GMT 1 ali1110 said:
My lemfo heart sensor always open. İ restarted watch and reset all data it doesn’t work. Pls help me.


that means a hardware problem try to open the back and disconnect the HR sensor cable and reconnect.  be careful not the break it!

Thank you for helping. I upgrade firmware and it has done. And now i can’t use heart sensor.