(3.40 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.


Changes made from version 3.34 Beta to 3.36 Beta:

  • Improved pace for paddle sports
  • Fixed issue with asset arrow in dog tracking widget
  • Fixed issue with cycling power discrepancies
  • Various bug fixes for Connect IQ 1.3


  • Installation Instructions
  1. Connect your fenix 3 HR to your computer using the USB cable. Download and unzip
  2. Place the GUPDATE.RGN file in the \GARMIN directory
  3. Copy and paste the ‚TEXT‘ folder in the \GARMIN directory. Choose ‚Yes‘ when asked if you’d like to copy this new folder over the current TEXT folder.
  4. Disconnect from your computer and proceed through the update.
  5. If you would like to revert to the last public release software, follow the above steps, but place the gupdate_3.20.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.

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