Updates & Downloads

Fenix 6/6 Solar software version 17.75 Beta

as of July 20, 2021

Download (14.66 MB)

View installation instructions

Notes:

For any issues that you encounter, please send an email to [email protected] In your email please include the Fenix 6 model you own, software version, and a detailed description of your issue, along with any steps to reproduce. Please note that you may not get a response to the email unless we need more information on the issue you report.
System Requirements: Windows 7 SP1 or newer; Mac OSX 10.11 or newer.
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 17.74 to 17.75:

Fixed issue with connecting ANT/BLE sensors when phone connection disabled via power modes.
Other minor improvements and bug fixes.

Changes made from version 17.73 to 17.74:

Improved Body Battery estimation when the device is powered off for a long period of time.
Fixed issue where Garmin Pay is not detected by payment terminal.
Other minor improvements and bug fixes.

Changes made from version 17.72 to 17.73:

Updated Battery Saver to automatically disable when device charged to at least 80%.
Fixed text truncation issues when calibrating altimeter or barometer for some languages.
Fixed crash when viewing Connect IQ apps in the widget list.

Changes made from version 16.70 to 17.72:

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.
Added sleep tracking widget with sleep score and insights by Firstbeat AnalyticsTM.
Added metabolic calories into the total calories reported in the calories data field and recorded in the activity file.
Added setting to enable/disable workout audio prompts.
Updated workout audio prompts for hundredths distance precision.
Updated Intensity Minutes determinations to align with guidance from CDC.
Improved feedback on stress level readings.
Improved calorie calculations for activities using a power meter.
Improved results for daily Body Battery calculations.
Improved visibility of Climb Pro alert page.
Improved power meter calibration and settings.
Fixed issue where compass would become unresponsive during SUP activities.
Fixed issue with manual time setup during initial setup.
Fixed display issues when editing data field layouts.
Fixed issue where recovery sets would not be properly displayed during workouts.
Fixed issue where a Suggested Workout could draw with a nearly blank diagram.
Fixed issue with editing data screens for Ultra Run app.
Other minor improvements and bug fixes.

Changes made from version 15.20 to 16.70:

Added step counting to backcountry ski ascents.
Improved functionality of navigation features with Garmin Explore.
Improved altimeter auto calibration during activities for MARQ and fenix 6 Pro devices.
Improved power meter calibration and settings.
Improved device name shown when mounted to a Windows computer to be more descriptive. (Only applies to Enduro and fenix 6)
Fixed issue where podcasts may not display correctly on device.
Fixed incorrect translation within “Suggested Workouts” when language set to Czech.
Fixed potential crash when sending a Quick Text from inReach Remote
Fixed issue with wrong activity types shown when syncing with Garmin Explore.
Fixed distance and time values for tracks/routes synced from Garmin Explore.
Fixed issue with watch face labels missing when using certain languages.
Fixed potential crash when starting a golf round on a nine-hole course.
Fixed issue with device name within Garmin Connect Mobile for Enduro.
Fixed issue with “Coriolis Effect” naming. (Only applies to tactix Delta – Solar Edition with Ballistics)
Fixed battery drain issue after disconnecting from a paired inReach device.
Fixed backlight behavior during sleep periods.
Fixed issue with backlight not respecting device settings when entering power controls page.
Fixed issue with gestures turning on backlight while Do Not Disturb enabled.
Fixed potential crash during power up.
Fixed issue causing intermittent excessive battery drain.

Changes made from version 16.10 to 16.30:

Added step counting to backcountry ski ascents.
Improved functionality of navigation features with Garmin Explore.
Improved altimeter auto calibration during activities for MARQ and fenix 6 Pro devices.
Improved power meter calibration and settings.
Improved device name shown when mounted to a Windows computer to be more descriptive. (Only applies to Enduro and fenix 6)
Fixed issue where podcasts may not display correctly on device.
Fixed incorrect translation within “Suggested Workouts” when language set to Czech.
Fixed potential crash when sending a Quick Text from inReach Remote
Fixed issue with wrong activity types shown when syncing with Garmin Explore.
Fixed distance and time values for tracks/routes synced from Garmin Explore.
Fixed issue with watch face labels missing when using certain languages.
Fixed potential crash when starting a golf round on a nine-hole course.
Fixed issue with device name within Garmin Connect Mobile for Enduro.
Fixed issue with “Coriolis Effect” naming. (Only applies to tactix Delta – Solar Edition with Ballistics)
Fixed battery drain issue after disconnecting from a paired inReach device.
Fixed backlight behavior during sleep periods.
Fixed issue with backlight not respecting device settings when entering power controls page.

Changes made from version 16.00 to 16.10:

Fixed issue with courses from Garmin Explore not displaying on map.

Changes made from version 15.73 to 16.00:

Improved altimeter auto calibration during activities for MARQ and fenix 6 Pro devices.
Improved power meter calibration and settings.
Fixed distance and time values for tracks/routes synced from Garmin Explore.
Fixed potential crash when starting a golf round on a nine-hole course.

Changes made from version 15.71 to 15.73:

Fixes potential crash when sending a Quick Text from inReach Remote
Fixes potential crash when syncing with Garmin Explore.
Fixes potential crash when saving an activity.
Fixes issue with wrong activity types shown when syncing with Garmin Explore.
Fixes issue with watch face labels missing when using certain languages.

Changes made from version 15.20 to 15.71:

Adds step counting to backcountry ski ascents.
Improves functionality of navigation features with Explore.

Changes made from version 15.02 to 15.20:

Fixed missing Training Effect page from Activity Summary page loop.
Fixed elapsed time issue for podcasts when viewed from widget glances.

Changes made from version 15.01 to 15.02:

Fixed an issue with Intensity Factor not showing correct data.
Fixed an issue allowing more Applied Ballistics profiles to be created after the maximum number of profiles have been created. (Only applies to tactix Delta - Solar Edition with Ballistics)

Changes made from version 14.72 to 15.01:

Adds tone and vibrate to ClimbPro climb approaching alert.
Fixed an issue where 'Course Complete' may be shown incorrectly.
Fixed an issue with the units shown in PacePro split alerts.
Fixed an issue where payment cards without images were unable to be used with Garmin Pay.
Fixed an issue where sensor software update prompts were being displayed incorrectly.
Fixed a crash that could occur after the sensor software update prompt, when a CIQ watch face was also active.

Changes made from version 13.30 to 14.72:

Fixed an issue where the device was not recovering as expected after being off-course during navigation.
Fixed an issue where the device may display a blank segment page intermittently.
Fixed an issue where the HRM pro update message flow was displaying the incorrect status message.
Fixed an issue where ‘Do Not Disturb’ prevents gesture backlight from working during the sleep window.
Fixed an issue where the heart rate graph may intermittently display a flat line during an activity.
Fixed an issue where average speed during a Surf activity may be higher than the max speed intermittently.
Fixed an issue with bluetooth headset connectivity during activity.
Fixed an issue where Garmin “Power Meter” would be incorrectly labeled.
Fixed an issue where sleep times may not match times reported in Garmin Connect.
Made improvements for post activity sensor firmware updates.
Made improvements for Explore navigation support.
Regatta timer hotkey now redirects to Sail Race activity (MARQ Captian and Quatix 6 only).

Changes made from version 13.00 to 13.30:

Improved syncing of data with Garmin Connect Mobile.

Changes made from version 12.77 to 13.00:

Fixed an issue showing an incorrect zero value on the seven-day stress graph.
Fixed an issue where Daily Suggested Workouts were still present on the calendar after disabling DSW prompts.

Changes made from version 12.20 to 12.77:

Added support for sport specific power zones. One can now setup their power zones for XC Ski separately from that of Cycling. (Menu > User Profile > Power Zones)
Added support for displaying metrics from an indoor rowing machine that supports the ANT FE-C profile (e.g. Concept 2 with the PM5 module). This includes new fields for the Indoor Rowing app: Distance, Pace, Power, and Stroke Distance.
Added support for an updated software update flow for ANT sensors, where the user will be prompted once they have completed the activity.
Added support for descriptive Varia error messages.
Fixed an issue with Sail Race tack assist. (MARQ Captain and Quatix 6 only.)
Fixed an issue where the device could crash when connected to a HRM Pro with an active Livetrack session and accessing Ski activity profiles.
Fixed an issue where certain CIQ elements could not be uninstalled via Express.
Fixed an issue where the Applied Ballistics app could not be launched through the controls menu while running another app. (tactix Delta AB only).
Fixed an issue where the device may fail to load a considerably long activity through the history menu.
Fixed an issue with setting up elevation alerts at higher elevations.
Fixed an issue in the paring flow where the device could return to the 'Pair with Phone?' page instead of moving forward.
Fixed an issue where customers with high resting heart rate would intermittently not accrue intensity minutes.
Fixed an issue where the device was not recording position data when racing against a downloaded course.
Improved the reliability of ephemeris downloads.
Improved the presentation of information for alarms and timers.
Improved the scaling of lines when zooming in/out on the map.
Made several code improvements for Sleep.
Made several code improvements for Indoor Climb.
Made several code improvements for daily suggested workouts.
Made several improvements for Livetrack.
Updated the Applied Ballistics bullet database to version 1215 (tactix Delta AB only).
Resolved an issue impacting updates to features like VO2 max and Training Status.

Changes made from version 11.77 to 12.10:

Fixed an issue where ANT sensors would not reconnect intermittently.
Fixed an issue with data field editing when working with fields within a category.
Fixed an issue where time in zones information could be incorrect for pool swim activities.
Fixed an issue where the device could intermittently crash when launching the Run activity.

Changes made from version 11.76 to 11.77:

Improved verbiage for training status feedback.
Fixed an issue where suggested workouts were improperly generated on the day a software update is installed.
Fixed an issue where daily totals for Stress were getting reset at the incorrect local time.
Fixed an issue where accessing the Navigation hot key was not working as expected for certain use cases.
Fixed an issue where one had to remove their Radar and Light combination device twice from their sensor list if paired using the 'Search All' sensors function.

Changes made from version 11.75 to 11.76:

Improved the reliability of capturing sleep results.
Made several improvements for Track Run.
Made several improvements for suggested workouts.
Fixed a couple of issues with the Sail Race activity. (Quatix 6 only)
Fixed an issue where the device might crash when connecting to ANT sensors.
Fixed an issue where segments were not working as expected.

Changes made from version 11.10 to 11.75:

Added support for Daily Suggested Workouts, which are recommended based on previous activities. One can disable this from activity settings. (Run/Bike > Menu > Training > Workouts > Today's Suggestion.)
Added support for the Track Run activity, which allows one to record outdoor track data including distance in meters and lap splits on a standard shape 400m track.
Added support for Improved Recovery Time, which takes users stress, sleep, relaxation and physical activity in consideration.
Added support for configuring non-zero power averaging for Biking activities. (Activity Settings > Power Averaging)
Added support for configuring backlight settings during the sleep window. (Settings > System > Backlight > During Sleep.)
Added support for training and breathwork workout categories to properly handle launching workouts from calendar view and prompting yoga, strength, cardio, breathing, and pilates workouts.
Added Training Status explanation tip in the Training Status widget.
Added support for displaying the map scale when panning/zooming the map.
Updated the Clocks list layout and icons.
Updated the Applied Ballistics bullet database to version 1155 (tactix Delta AB only).
Improved the pairing experience for Bike lights/radar.
Improved compass smoothness.
Improved the poor wrist HR detection which will lead to more accurate VO2 Max and Performance Condition estimates. (Requires 8.00 Sensor Hub)
Fixed an issue where the 'Navigation' hotkey was not working as expected for certain use cases.
Fixed an issue with the wind speed field on watch face.
Fixed an issue where open water swim activities were capturing an erroneous position in the track log.
Fixed an issue where the device would fail to load the elevation plot when navigating to a POI.
Fixed an issue where the elevation plot would intermittently get doubled while navigating.
Fixed an issue where expired weather data was being displayed on the watchface.
Fixed potential GPS communication problems. (Requires GPS v4.60)

Changes made from version 10.78 to 11.10:

Version bump to 11.10.

Changes made from version 10.77 to 10.78:

Fixed an issue where the device would erroneously display a prompt to enable Battery Saver when disconnecting from an external power source.
Fixed an issue where toggling Night Vision would disable Pulse Ox. (tactix Delta)
Made other bug fixes and code improvements.

Changes made from version 10.75 to 10.77:

Added support for canceling a route when in simple tracking mode for Indoor Climb.
Brought in improvements for broadcasting heart rate over Bluetooth.
Made several improvements for golf.
Brought in improvements for Surf.
Fixed an issue where certain types of smart notifications would not auto-dismiss intermittently.
Fixed an issue where smart notifications received in quick succession would not populate its options correctly.
Fixed an issue where the device would fail to save an activity and the progress spinner would spin indefinitely.
Made other bug fixes and code improvements.

Changes made from version 10.10 to 10.75:

Added support for Livetrack 2.0.
Added support for Course Upload (w/ Livetrack 2.0)
Added support for new even types with Live Event Sharing. (Multisport/Every Mile etc.)
Added support for configuring map settings during an Expedition activity.
Added support for battery hours remaining as a data field option.
Added support for displaying running and cycling VO2 Max for a multisport activity when applicable.
Added support for automatically disabling battery saver once the device is above 80% charge.
Brought in Bluetooth stability improvements.
Brought in PacePro improvements.
Brought in XCS improvements.
Brought in sleep improvements.
Fixed an issue where summary activities (sync’ed from another device) were showing up in the list of navigable activities.
Improved connected widget glances to indicate loss of connectivity by adding a red exclamation.
Improved off wrist detection. (Requires 7.12 Sensor Hub)
Made several user interface improvements for the altitude acclimation widget.
Made several bug fixes for golf.

Changes made from version 9.98 to 10.00:

Fixed an intermittent issue with map load times and map responsiveness.
Fixed an issue where the device will appear to be frozen when accessing the active calories widget, if the device had no calories to report.
Fixed an issue where the inner pages of the stress widget were inaccessible with widget glances disabled.

Changes made from version 9.97 to 9.98:

Improved search response time when performing an Around Me or POI search.
Made improvements for Surf.
Fixed an issue where the golf scorecard information got corrupted in recent beta sw.
Fixed an issue where the 'Broadcast during activity' setting was not working correctly for Bluetooth sensors.

Changes made from version 9.96 to 9.97:

Added support for Altitude Acclimation widget. (Menu > Widgets > Edit > Add > Alt. Acclimation)
Improved Broadcast Heart Rate and added support for simultaneously broadcasting through ANT+ and Bluetooth.
Surf: Updated the data field defaults to include GPS.
Surf: Updated the start flow to try and acquire a GPS fix before starting a Surf activity.
Surf: Added support for a wave summary page to activity summary. (Last Surf widget > Start > Waves)
Updated the user interface for Stress and Calories widgets.
Fixed an issue where wrist heart rate was not being turned off when starting an Expedition activity.
Made improvements for golf.

Changes made from version 9.95 to 9.96:

Golf: Added support for 9+9 round, where the user can select a teebox for both courses.
Added support for a Steps data field.
Made improvements for Surf.
Made improvements for golf.
Made improvements for On-device Sleep.

Changes made from version 9.94 to 9.95:

Fixed an issue with repeat and skip functions when using Spotify.
Fixed an issue where playlists with Cyrillic characters would not display correctly on device.
Fixed an issue where sensor icons were being displayed in the status bar even when disabled using a power mode.
Fixed an intermittent issue where 'Around Me' search would not complete.
Improved the visibility for Dogtrack by allowing one to pair to it through the sensors menu and automatically removing the widget once the sensor is removed.
Made a couple of improvements for golf.
Updated the UI for Body Battery and Training Status widgets.

Changes made from version 9.92 to 9.94:

Made improvements for On-device Sleep.
Added support for viewing recovery heart rate from the activity paused menu.
Updated the UI for Steps, Sunrise/Sunset, and Training Status widgets.
Improved data reliability for the weather widget.

Changes made from version 9.00 to 9.92:

Added on device sleep calculation (via added Sleep widget).
Updated the UI for performance, Heart Rate, Training Status, Intensity minutes and Floors Climbed widgets.
Fixed an issue with Powerbeats Pro audio control.
Fixed an issue where alarm labels were not being translated.

Changes made from version 8.78 to 9.00:

Made several stability improvements.
Fixed an issue with custom alerts.

Changes made from version 8.77 to 8.78:

Brought in improvements for grit and flow.
Fixed an issue where the device could crash on the map page during an expedition activity.
Fixed an issue where the device would crash while powering down if battery saver was enabled.
Fixed an issue where the device could crash during the multisport activity creation wizard.

Changes made from version 8.76 to 8.77:

Fixed an issue where heart rate data would intermittently disappear from the HR widget during an activity.
Fixed an issue with the Stress 4 hour graph.
Fixed an issue where the training status and training load pages were displaying incorrect data.
Fixed an issue where the PulseOx widget would not display history data and could crash when exiting the widget.

Changes made from version 8.75 to 8.76:

Added support for Grit and Flow metrics to cycling profiles.
Improved optical heart rate during hiking activities. (Requires 5.07 Sensor Hub)
Made several improvements to Indoor Climb.
Updated the UX layouts for steps, floors, stress, intensity minutes and pulse ox widgets.
Updated performance, training status, body battery, respiration and calories to use the new page indicators.
Made several other bug fixes and code improvements.

Changes made from version 8.74 to 8.75:

Made several improvements to Indoor Climb.
Updated the UX layouts for smart notifications, heart rate, and solar widgets.
Made several other bug fixes and code improvements.

Changes made from version 8.73 to 8.74:

Made several improvements to Indoor Climb.
Improved the responsiveness of the history widget glance.
Updated the UX layouts for in activity elevation plot, ABC, compass, temperature, Sunrise/Sunset widgets.

Changes made from version 8.10 to 8.73:

Fixed an issue where a CIQ watchface would crash if the user were to hit 'Back' from the incoming call page.
Fixed an issue where selection of an item in music lists (artist/genre) would yield a landing page for a different artist/genre.
Added support for downloading workout videos over Express or WiFi.
Added support for activities Climb Indoor and Bouldering.
Added support for a routes summary page to the activity review flow for Indoor Climb.
Added support for the device to manually add a shot through the measure shot page in Golf.
Updated the look and feel of the weather app.
Updated the look and feel of the End of Activity flow.
Improved the UX layout for Altimeter, Barometer, and Notifications widgets.
Brought in cross-country ski improvements for Fenix 6 non-Pro models.
Made several improvements to the music experience.

Changes made from version 7.81 to 8.00:

Fixed an issue where the device won’t tone/vibe at the end of a swim rest interval.

Changes made from version 7.78 to 7.81:

Fixed an issue where a CIQ watchface would crash if the user were to hit 'Back' from the incoming call page.
Fixed an issue where certain workout names were not displaying correctly during a rest step.
Made several improvements for music apps.

Changes made from version 7.77 to 7.78:

Made several WiFi related improvements.

Changes made from version 6.10 to 7.77:

Added support for connecting to a shifting sensor (Sram Etap or Di2 bike) that supports up to 4 front and 12 rear gears.
Add support for using Widget Glance fonts in Connect IQ.
Added support for Grit and Flow data fields for MTB.
Added support for a ‘Silent’ option to the Smart notifications Sounds alert settings. (Menu > Phone > Smart Notifications > During Activity/Not During Activity > Sounds)
Fixed an issue where the device would crash when starting a POI search right after canceling an “Around Me” search.
Fixed an issue where features that auto-enable during the sleep window were not working as expected. (For Ex: Battery Saver.)
Fixed an issue where the device would erroneously display an assistance banner after disconnecting from USB.
Fixed an issue with Brazil Daylight savings time.
Fixed a couple of issues that should improve device stability.
Fixed a couple of altimeter calibration issues. This should address speed spikes in activities with 3d speed enabled. (For example: Ski.)
Fix always showing the Updating spinner when changing an alarm.
Fix a potential crash when using the Breathwork app.
Fixed an issue where the watch may freeze during a Ski activity.
Improved the user experience when call related notifications are received.
Improved the layout on the Ski Run Data Page.
Improve responsiveness when adding or removing favorites.
Improve display of Grit and Flow datafields for the MTB app.
Improved error handling when using the Garmin Pay Wallet.
Improved error handling for downloading Heart Rate from a strap, by notifying the user if one attempts to download Heart Rate data over Bluetooth vs ANT.
Made several improvements to Clocks.
Made several improvements to Breathwork.
Made some improvements to the DogTracker widget.
Made several other bug fixes and code improvements.

Changes made from version 6.00 to 6.10:

Improve Wi-Fi sync connection stability.

Changes made from version 5.76 to 5.77:

Fixed an issue where the device would crash when starting a POI search right after canceling an 'Around Me' search.
Fixed an issue where features that auto-enable during the sleep window were not working as expected. (For Ex: Battery Saver.)
Made some improvements to the DogTracker widget.
Made several other bug fixes and code improvements.

Changes made from version 5.75 to 5.76:

Made some improvements to the DogTracker widget.
Made several other bug fixes and code improvements.

Changes made from version 5.74 to 5.75:

Added support for configuring intensity minutes based on HR zones. Configuration is only available on Garmin Connect.
Made several improvements to the DogTracker widget.
Made several improvements for Clocks.
Fixed a map issue which could result in a crash.
Fixed an issue with treadmill calibration.
Made several other bug fixes and code improvements.

Changes made from version 5.72 to 5.74:

Made several improvements to the DogTracker widget and on device experience. This includes: New Tracker Map, Pro View, and Compass pages.
New Alert options on device (DogTracker Widget)
Added a new digital watch-face option which displays minutes as the large value in the center.
Added support for Low Heart Rate Alerts. (Wrist Heart Rate > Heart Rate Options > Abnormal HR Alert)
Updated the look and feel of Clocks to provide a more condensed version of the information at a glance.
Brought in improvements for CIQ.

Changes made from version 5.00 to 5.72:

Added support for Swim2 features namely, Auto Rest, Swim Time data field, Swim workout improvements, Pacing Alerts, Swim Dead Reckoning for OWS and Critical Swim Speed.
Added support for Action Menu with the Expedition App. This should provide a more consistent and discoverable way to access more functions (actions) using the 'Start' key.
Improved compass performance.
Removed the 'Edit' screen from the timer loop temporarily.
Fixed an issue where the device could register a speed spike during Ski activities.
Fixed an issue where the device may become unresponsive when trying to navigate certain types of PacePro enabled courses.
Fixed an issue where the device will crash when trying to manually connect to an ANT sensor after enabling Airplane mode.
Fixed an issue where one would see a Wifi error message when launching the Golf activity.
Fixed an issue with golf maps drawing incorrectly after the last beta update.
Fixed an issue where the map would intermittently stop updating during an activity.
Brought in improvements for CIQ.
Brought in improvements and bug fixes for music.

Changes made from version 4.65 to 4.67:

Fixed an issue with treadmill calibration.
Temporarily removed in-activity data field editing.

Changes made from version 4.64 to 4.65:

Fixed an issue where the device may become unresponsive when trying to navigate certain types of PacePro enabled courses.
Improved compass performance.
Made other bug fixes and code improvements.

Changes made from version 4.63 to 4.64:

Fixed an issue where the map would intermittently stop updating during an activity.
Fixed an issue with data fields editing.
Made other bug fixes and code improvements.

Changes made from version 4.62 to 4.63:

Fixed an issue where the stress score could intermittently get stuck at 25.
Fixed an issue where the device will crash when trying to manually connect to an ANT sensor after enabling Airplane mode.
Improved Indoor Bike OHR performance
Brought in improvements for CIQ.

Changes made from version 4.30 to 4.62:

Added support for file based Emojis, which brings support for over 1300 Emojis. (Update your device through Express or connect it to Garmin Connect Mobile.)
Added support for ClimbPro ‘Climb Detection’ setting in Cycling. (Bike > Activity Settings > ClimbPro > Climb Detection) This allows the customer to customize grade ‘sensitivity’ when identifying climbs.
Fixed several issues with ClimbPro.
Brought in several improvements for CIQ.
Brought in several improvements and bug fixes for music.

Changes made from version 4.20 to 4.30:

Fixed an intermittent issue where the device would error out when trying to sync a music playlist using Wi-Fi.

Changes made from version 4.10 to 4.11:

Fixed an issue where the stress data field wasn't working as expected during Yoga and Breathwork activities.
Fixed an issue where one wasn't able to change the music player volume on device.

Installation Instructions

Download and unzip Fenix6_***Beta.zip.
Place the gupdate.gcd file, found in the System_v*** folder, into the \GARMIN folder of the device.
If there is a Sensor Hub_v*** folder, place the gupXXXX.gcd file into the \GARMIN\REMOTESW folder of the device. Please note, not all Beta releases will include an update.
If there is a GPS_v*** folder, place the gupXXXX.gcd (or 006B310700.GCD) file into the \GARMIN\REMOTESW folder of the device. Please note, not all Beta releases will include an update.
Disconnect from your computer and proceed through the update.
If you would like to revert to the last public release software, drop the gupdate.gcd file found in the System_Backdate_v*** folder in the \GARMIN directory NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.