(2.81 MB)

View installation instructions and system requirements


  • For any issues that you encounter please fill out the form included in the download and attach it to an email to Please note that you may not get a response to the email unless we need more information on the issue you report.
  • Although this software is believed to be reliable, it has not yet been released for production and should be used at your own risk.

Change History

Changes made from version 7.00 Stable to 7.20 Stable:

  • Added support for accessing other data screens while in a swim workout rest interval.
  • Improved accuracy of distance and lap counting for Pool Swim.
  • Improved Auto Lock behavior to avoid locking while in use.
  • Improved the reliability of foot pod calibration.
  • Improved ETA and ETE estimates when navigating a course.
  • Improved label and background consistency across all widgets.
  • Fixed an issue where Project Waypoint was not using the system setting for bearing units. (Settings > Sensors > Compass > Display)
  • Fixed a potential issue where VO2 Max and Lactate Threshold estimates were being used incorrectly with Trail Run activities.
  • Fixed an issue where distance data fields for SUP were using incorrect precision and units.
  • Fixed a potential issue with high battery drain in watch mode.
  • Fixed a potential issue where the user was not given a warning alert on the last length of a swim workout.
  • Fixed a potential issue where certain multisport profiles were not available in the app list when navigating a course.
  • Fixed a potential display issue with one of the analog watch faces. (Requires Display update 3.50)




Installation Instructions

  1. Connect your fenix 3 HR to your computer using the USB cable. Download and unzip Place the gupdate.rgn file in the GARMIN folder of your device’s internal storage drive. (Look at the step below for peripheral updates.) Disconnect your device from the computer, approve the update on the watch, and wait for the update to finish. If you would like to revert to the last public release software, follow the above steps but place the gupdate_220.rgn file in the GARMIN folder. Rename the file to gupdate.rgn before disconnecting your device. NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.
  2. Place gup1909.bin, gup2196.gcd, gup2414.bin and gup2415.gcd in GARMINRemoteSW folder.

System requirements

  1. IBM-compatible PC running Windows XP or later operating system and an available USB port.