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Forerunner 55 Software Version 4.00 Beta

Garmin-Corbin over 3 years ago

For any issues that you encounter please fill out the form included in the download and attach it to an email to [email protected]. 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

Added support for stress from a HRM strap during Yoga and Breathwork sports.
Added notifications for disconnecting/reconnecting to a LiveTrack session.
Improved the software update process for external accessories. Installation prompts will now appear after an activity.
Lengthened duration of Find My Device vibration and beeping
Added support for simultaneously broadcasting through ANT+ and Bluetooth.

Connect your Forerunner 55 to your computer using the USB cable.
Download and unzip Forerunner55_400Beta.zip. Place the GUPDATE.GCD file in the \GARMIN folder of your device's internal storage drive.
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, place the GUPDATE-303.GCD file in the \GARMIN folder. Rename GUPDATE-303.GCD to GUPDATE.GCD before disconnecting your device. NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.