Firmware version 6.10 is now available and can be downloaded automatically with Garmin Connect Mobile or manually with Garmin Express.
This may take up to 24 hours to show as a download. After the software update has been installed, please allow the device to acquire satellites.
3/13/2019 Phased Roll Out: 100%
Changes from 5.90 to 6.10:
Fixed an issue with the backlight coming on due to auto activity start
Syncing improvements
Connect IQ improvements