11-06-2016 02:50
11-06-2016 02:50
11-06-2016 04:26
11-06-2016 04:26
11-06-2016 09:07
11-06-2016 09:07
Hello @SunsetRunner,
Welcome to the community!
When you installed the Fitbit App on your OnePlus 3 did you select "Log in" or "Join Fitbit"? If you selected "Join Fitbit", then log out and log back in under the same account as you had on your Lumia 640.
I hope this helps.
Frank | Washington, USA
Fitbit One, Ionic, Charge 2, Alta HR, Blaze, Surge, Flex, Flex 2, Zip, Ultra, Flyer, Aria, Aria 2 - Windows 10, Windows Phone
Take a look at the Fitbit help site for further assistance and information.