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Firmware: V4.10 - V3.50 - V3.20 - V2.90

The following lists of changes are based on information provided by GARMIN. Changes or improvements which we consider important or especially useful are shown highlighted.

To view the current firmware version, complete the following steps:

  1. Turn on the GPS.
  2. Open System settings (touch menu icon near the bottom of the housing on the right hand side).
  3. Scroll to the very bottom.
  4. Touch the menu item "About Monterra".
  5. The device shows various information including the current software version.
  6. Touch "System updates" to install the most recent software, requires a WLAN connection with access to the Internet.

Each upgrade replaces the complete firmware in the GPS, which means you need to install only the version you wish to apply. There is no need to install any previous versions.


Changes made from version 3.50 to 4.10:

  1. Added a notification sound when approaching route vias in direct nav mode.
  2. Added access to Android recovery menu by holding volume down during startup.
  3. Improved map rendering speed when terrain layer is disabled.
  4. Improved raster map rendering.
  5. Improved stability when rapidly using pinch-to-zoom.
  6. Improved POIs to show up to 1.2mi zoom level instead of 300ft.
  7. Fixed issue with map layers sometimes panning at different rates.
  8. Fixed issue with map zoom level not persisting across opening/closing the app.
  9. Fixed grayscale Birdseye imagery drawing incorrectly.
  10. Fixed issue with not being able to toggle off some non-basemap images.
  11. Fixed issue with not showing icons for GPI points.
  12. Fixed issue with not being able to tap custom POIs on map.
  13. Fixed issue with direct routes limiting to only 50 points.
  14. Fixed issue with compass always pointing north when navigating a track.
  15. Fixed possible issue saving points in wrong hemisphere in certain languages.
  16. Fixed issue with elevation dashboard and widget not centering on new data.
  17. Fixed Mark Waypoint app not using adjusted elevation.
  18. Fixed issue with map datum and spheroid not saving with profiles.
  19. Fixed issue with routes not recalculating on profile change.
  20. Fixed issue with speed alert POIs displaying incorrect speed.
  21. Fixed issue with custom POI comments not linking URLs correctly.

Firmware Upgrade V4.10 (Touch "System updates" on the system settings page to install this version, requires a WLAN connection with access to the Internet)

To table of contents To table of contents

Changes made from version 3.20 to 3.50:

  1. Added mapping support for BlueChart g2, g2 Vision and LakeVu maps.
  2. Added marine search support to Where To? app.
  3. Added anchor drag and off-couse alarms when a marine map is installed.
  4. Added Man Overboard app.
  5. Added USGS 24k quad information to review page.
  6. Added toast notification on startup if a map could not be unlocked or authenticated.
  7. Improved BirdsEye drawing.
  8. Improved compass accuracy.
  9. Fixed not showing boating ramp POIs on TOPO maps.
  10. Fixed user-north compass mode to match other Garmin products.
  11. Fixed arrow not showing on compass when navigating on a track.
  12. Fixed always resetting track data on save.
  13. Fixed some options incorrectly being visible for archived tracks.
  14. Fixed map drawing issue when picking a point for proximity alarms.
  15. Fixed not being able to filter waypoints by symbol after rotating device.
  16. Fixed changes to routes being discarded after rotating the device.
  17. Fixed occasional issue when opening/importing GPX files.

Firmware Upgrade V3.50 (Touch "System updates" on the system settings page to install this version, requires a WLAN connection with access to the Internet)

To table of contents To table of contents

Changes made from version 2.90 to 3.20:

  1. Added two additional zoom levels at 20/30ft (5/10m).
  2. Improved city search.
  3. Improved map information bar dropdown behavior.
  4. Fixed geocache size getting cut off on widget in certain languages.
  5. Fixed saving waypoints in incorrect locations for certain Map Datums.
  6. Fixed additional routing avoidance issues.
  7. Fixed elevation plot not scrolling with new data.
  8. Fixed possible issue if device started in a powered mount.
  9. Fixed possible issue with User Grids in certain languages.
  10. Fixed a drawing issue with certain patterned areas.
  11. Fixed transparent maps not drawing with only the basemap enabled.
  12. Fixed geocaching dashboard not switching to the closest geocache.
  13. Fixed daily and weekly track auto-archive.
  14. Fixed geocache filtering not respecting empty filters.
  15. Fixed Where To? > Photos and Videos not updating with new photos.
  16. Fixed various display issues with the Satellite app.

Firmware Upgrade V3.20 (Touch "System updates" on the system settings page to install this version, requires a WLAN connection with access to the Internet)

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Changes made from version 2.60 to 2.90:

  1. Added support for shaped routes created in BaseCamp.
  2. Added 'search near city' to 'Where To?' menu.
  3. Improved demo mode behavior.
  4. Improved map browsing behavior.
  5. Improved performance of Route Manager.
  6. Improved handling of certain routing avoidances.
  7. Fixed not displaying general route calculation errors.
  8. Fixed city search not searching all installed maps.
  9. Fixed British Grid coordinates only showing 9 digits.
  10. Fixed black track logs appearing as cyan.
  11. Fixed time zones not updating correctly with Daylight Saving Time.
  12. Fixed some addresses having incorrect position on map.
  13. Fixed not respecting rotation lock in powered mount.
  14. Fixed screen timeout inconsistencies.
  15. Fixed Gallery app instability when sorting by location.
  16. Fixed translation issues.

Firmware Upgrade V2.90 (Touch "System updates" on the system settings page to install this version, requires a WLAN connection with access to the Internet)

To table of contents To table of contents

GARMIN Monterra Very rugged, portable, multi-functional GPS device with extra large color display, based on the Android operating system. Supports wireless networks and Apps from the Google Play Store. Highly suitable as hand held device and as navigation device in vehicles. Fast change between different user interfaces and operation modes through adjustable profiles, shortcuts and dashboards. Rich feature set and very easy to use. Graphical interface with multi-touch screen. Supports the US GPS and the Russian GLONASS satellites, see detailed description.

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