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Firmware: V3.50 - V3.40 - V3.30 - V3.20 - V3.10 - V2.90 - V2.80 - V2.70 - V2.60 - V2.50 - V2.40 - V2.30

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 the main menu by touching the arrow symbol.
  3. Touch "Setup".
  4. Scroll down to the bottom of the list and touch "About".
  5. The software version will be shown on the first line.

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 3.40 to 3.50:

  1. Fixed potential issue with GPS GLONASS.

Firmware Upgrade V3.50 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 3.30 to 3.40:

  1. Added elevation to waypoints created on the map page.
  2. Fixed possible issue with geocache filter in non-English languages.
  3. Fixed issue where address search was showing up for some non-routable maps.
  4. Fixed possible issue with Current Track app on the Favorites dashboard.
  5. Fixed issue where unit could not exit charging page.

Firmware Upgrade V3.40 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 3.20 to 3.30:

  1. Added support for Garmin HuntView Plus.

Firmware Upgrade V3.30 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 3.10 to 3.20:

  1. Corrects issue with reported battery capacity.

Firmware Upgrade V3.20 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.90 to 3.10:

  1. Fixed potential GPS issue.

Firmware Upgrade V3.10 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.80 to 2.90:

  1. Fixed possible display corruption.

Firmware Upgrade V2.90 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.70 to 2.80:

  1. Fixed possible shutdown when creating automotive routes with certain maps.

Firmware Upgrade V2.80 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.60 to 2.70:

  1. Fixed issue where touching the screen would wake up the unit when it was in battery save mode.
  2. Fixed possible freeze when the unit was in mass storage mode and then unplugged.

Firmware Upgrade V2.70 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.50 to 2.60:

  1. Fixed issue where the trip computer total time was not being reset when the 'reset both track and trip data' option was selected.
  2. Fixed intermittent issue where device was not recognized for mass storage when connected via USB.
  3. Fixed issue where waypoint time would show 'am' for waypoints marked as 12:xx pm.
  4. Fixed the Waas 'D' indicator on the GPS page to allow the letter to draw.
  5. Fixed issue where the 'Track On' shortcut would not start the track log.

Firmware Upgrade V2.60 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.40 to 2.50:

  1. Added support for optional MTP (Media Transfer Protocol) interface mode (Setup > System > Interface)

Firmware Upgrade V2.50 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.30 to 2.40:

  1. Fixed issue with incorrect trip computer time.
  2. Fixed issue with track points being recorded while tracking was paused.
  3. Fixed heart rate related data fields.
  4. Fixed issue with wrong road signs being shown in certain countries.

Firmware Upgrade V2.40 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

Changes made from version 2.20 to 2.30:

  1. Added ETRS89 Datum.
  2. Fixed issue with importing Adventures from SD cards.
  3. Fixed possible issue when viewing routes on map.
  4. Fixed incorrect geocache terrain score on map dashboard.

Firmware Upgrade V2.30 (Please use Web-Updater to install the latest firmware)

To table of contents To table of contents

GARMIN Montana 610 GARMIN Montana 680 GARMIN Montana 680t Very rugged, portable, multi-functional GPS devices with extra large color display. Highly suited as hand held devices and as navigation devices in vehicles. Fast switching between different user interfaces and operation modes through adjustable profiles, shortcuts and dashboards. Rich feature set and very easy to use. Touch screen based user interface. All three models support the U.S. GPS and the Russian GLONASS satellites, see detailed description.

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