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Firmware Version 3.40 Now Available -Incremental Rollout

This software update can be downloaded by using Garmin Express. Please note that once a software update is released it can take up to 24 hours before Garmin Express provides this update to all users.

Note: This is a incremental software rollout and should be available to all users in 2 to 3 business days

Changes made from version 3.20 to 3.40:
  • Added Shimano Di2 2.0 support.
  • Added Vector 3 software update support.
  • Improved Grade accuracy on steep climbs.
  • Fixed issue preventing activities from being saved on an SD card.
  • Fixed several Varia Vision issues.
  • Fixed issues with performance condition display and data recording.
  • Fixed issue preventing training status and training load from being uploaded to Garmin Connect.
  • Fixed an issue allowing Connect IQ Apps to disable sensors.
  • Fixed issue causing the back key to not display in CIQ apps.
  • Fixed issue causing crashes when using 3D map mode.
  • Fixed issue that could cause a crash while using Strava Segment Explore map preview.
  • Updated recovery time calculation requirements. To trigger a recovery time, ride with a heart rate sensor for ten minutes at moderate to high intensity.