(2.73 MB)

View installation instructions and system requirementsUse Garmin Express to install this file.


Changes made from version 3.51 Beta to 3.52 Beta:

  • Improved support for the new Garmin Face-It mobile app, enabling creation of a Connect IQ watch face with a photo.
  • Improved the DogTrack widget by adding status icons to indicate whether a dog is treed or on point.
  • Fixed an issue where the units on the DogTrack widget were not in sync with the system unit settings.
  • Fixed an issue where the sport weekly and monthly total list items were getting highlighted even though they are not selectable.
  • Fixed a potential issue with writing developer data through apps that support the Connect IQ 1.3 SDK.


  • 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. Disconnect from your computer and proceed through the update.
  4. If you would like to revert to the last public release software, follow the above steps, but place the gupdate_3.50.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.