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Forerunner 45 Beta Software version 4.14


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 4.10 to 4.14:

  • Added the ability to rate the perceived effort and feel of a Run, Bike, or Swim activity. The prompts appear during activity save. Go to [Activity] Settings > Self Evaluation for options.
  • Fixed an issue that could cause device crashes when saving an activity.

Changes made from version 3.90 to 4.01:

  • Fixed a bug that could cause duplicate activities to be shown in the MyDay widget.
  • Fixed cut off text that could be displayed in the activity History menu.
  • Fixed a crash that could occur when requesting Assistance.

Changes made from version 3.80 to 3.82:

  • Improved Bluetooth stability.

Changes made from version 3.60 to 3.68:

  • Improved Bluetooth connection stability.

Installation Instructions

  1. Connect your Forerunner 45 or 45S to your computer using the USB cable.
  2. Download and unzip Place the GUPDATE.GCD file in the \GARMIN folder of your device's internal storage drive.
  3. Disconnect your device from the computer, approve the update on the watch, and wait for the update to finish.
  4. If you would like to revert to the last public release software, place the GUPDATE-410.GCD file in the \GARMIN folder and rename GUPDATE-410.GCD to GUPDATE.GCD. Disconnect to install. NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.