Data transfer between the phone and the Fitbit

Sending data is done using the recommended method, which is a bit of a headache.

Further reading

Peersocket connections Device: https://dev.fitbit.com/build/reference/device-api/messaging/ Companion: https://dev.fitbit.com/build/reference/companion-api/messaging/ File Transfer Device: https://dev.fitbit.com/build/reference/device-api/file-transfer/ Companion: https://dev.fitbit.com/build/reference/companion-api/file-transfer/ Filesystem: https://dev.fitbit.com/build/reference/device-api/fs/