• Connect the GPSr via USB and enter Mass Storage Mode
• Open the Garmin Express application and choose your device from the menu
• Select desired updates and follow the prompts as directed to complete available updates

WebUpdater

• Connect your Garmin GPSr via USB and enter Mass Storage Mode
• Drag and Drop the desired update file to the WebUpdater application, or
• Run the WebUpdater application and select your device from the menu
• Follow the prompts to keep your GPSr updated

Manual Update

• Connect your Garmin GPSr via USB and enter Mass Storage Mode
• Download the desired firmware version for your device
• Extract the *.gcd file from the *.zip archive
• Copy the *.gcd file to [GPSr]\Garmin\*.gcd
• Rename the *.gcd file to gupdate.gcd
• Disconnect and reboot the GPSr
• When prompted by the GPSr, select 'Yes' to install the update
• Once the update has completed, the GPSr will restart and delete the gupdate.gcd file

System Requirements:

• IBM-compatible PC running Windows 2000 or later operating system and an available USB port.

Notes:

• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin for service.

Change History:

Changes made from version 4.80 to 4.90:

• Improved text placement on list pages for Arabic language.

Changes made from version 4.70 to 4.80:

• Added support for Garmin HuntView Plus.

Changes made from version 4.60 to 4.70:

• Increased font size for arabic language.

Changes made from version 4.30 to 4.60:

• Improved detection of USB connection to a PC.

Changes made from version 4.20 to 4.30:

• Improved 'Save Portion' track feature. When saving a portion, the device now remembers that position in the track log so it can be used as a track segment for future portion saving.
• Fixed possible erroneous track point on power on.
• Fixed formatting issue with certain map names in the map information list.

Changes made from version 4.10 to 4.20:

• Fixed several track distance statistic issues.

Changes made from version 4.00 to 4.10:

• Fixed possible issue where BirdsEye satellite imagery would be permanently disabled after booting.

Changes made from version 3.90 to 4.00:

• Improved cartography support (Garmin Hunt View maps).
• Improved boot time when a large amount of BirdsEye satellite imagery is present.
• Improved pairing behavior with cadence sensors (eTrex 30 devices).
• Fixed possible issue with waypoint ordering when sorting method is set to 'Nearest'.

Changes made from version 3.80 to 3.90:

• Fixed issue with power off pressure trending (eTrex 30 devices).

Changes made from version 3.70 to 3.80:

• Fixed issue with barometer when auto calibration is turned off.
• Fixed missing ascent, descent, and elevation statistics when reviewing certain tracks.
• Fixed possible shutdown when displaying the option menu in Czech.

Changes made from version 3.60 to 3.70:

• Improved total ascent and total descent calculations.
• Improved average ascent, average descent, and vertical speed data fields.

Changes made from version 3.40 to 3.60:

• Fixed issue retrieving PLSS data in certain TOPO US 24k maps.

Changes made from version 3.20 to 3.40:

• Added confirmation of initial language selection.
• Fixed issue with saving the 'lock on road' setting across a power cycle.

Changes made from version 3.10 to 3.20:

• Added support for VIRB Remote (eTrex 30). Main Menu > MENU Key > Change Item Order to add. See TrailTech for more information.
• Fixed issue with route calculations always avoiding seasonally closed roads.
• Fixed possible issue when missing a turn while using the Active Route application.

Changes made from version 3.00 to 3.10:

• Fixed issue with incorrect letter capitalization of certain map points.
• Fixed issue where wirelessly transmitting a geocache to another device would result in an error message when trying to view the received geocache in BaseCamp.
• Fixed potential issue with city searching.

Changes made from version 2.90 to 3.00:

• Fixed several issues with sorting photos in the photo viewer application.
• Fixed issue with prompted routing.
• Fixed issue with saving a track's 'show on map' status across a power cycle.
• Fixed issue with displaying tracks on the map after performing an area calculation.
• Fixed issue with BirdsEye imagery's status not being saved to each profile.
• Fixed issue with tempe sensor's status not being saved to each profile (eTrex 30 devices).
• Fixed potential shutdown when viewing certain tracks or routes in German or Russian.
• Fixed possible issue with reviewing a track's information.
• Fixed possible issue with searching for an address in cities with extremely long names.

Changes made from version 2.80 to 2.90:

• Added Adventure support with latest version of BaseCamp. See TrailTech for more information.
• Added support for new tempe sensor on eTrex 30 devices. See TrailTech for more information.
• Improved accuracy of compass calibration on eTrex 30 devices. A new manual compass calibration is required (Setup > Heading > Calibrate Compass).
• Improved map drawing at low zoom levels.
• Improved load times for geocache descriptions.
• Improved Ascent and Descent calculations.
• Fixed issue with preserving routes imported from BaseCamp (identical maps required).
• Fixed issue with picture rotation when using the photo viewer on eTrex 30 devices.
• Fixed possible error message when disconnecting the device from a computer.
• Fixed possible issue with viewing geocache descriptions in night mode.

Changes made from version 2.70 to 2.80:

• Added ability to sort waypoints alphabetically.
• Improved GPS response at low speeds.
• Improved ability to clear unit settings on power up: now only requires menu key and enter key to be held when powering the unit on.
• Improved size of roads drawn on map in 'automotive mode' orientation.
• Improved elevation data stored in track logs (etrex 30).
• Fixed issue that was causing some devices to display a 'memory full' message followed by bad device behavior.
• Fixed issue with distance to destination data field.
• Fixed occasional overlapping of data fields in the elevation application.
• Fixed issue where waypoints and geocaches could be lost.

Changes made from version 2.60 to 2.70:

• Improved GPS response at low speeds.
• Fixed issue that could occur when restoring map zoom level defaults.
• Fixed issue with track distance data field in stopwatch application.

Changes made from version 2.50 to 2.60:

• Added Geocaching with Photos.
• Fixed potential naming issues with imported routes from BaseCamp.
• Fixed issue with reviewing BlueChart g2 depth points from the map page.
• Fixed issue with magnetic north offset when projecting a waypoint.

Changes made from version 2.40 to 2.50:

• Fixed issue where project waypoint feature would only work once per power cycle.

Changes made from version 2.30 to 2.40:

• Improvements to the geocaching experience. See TrailTech for more information.
• Improved behavior on startup when importing large numbers of waypoints, tracks, routes, or geocaches.
• Fixed issue where the progress bar would not display any progress when importing waypoints, tracks, routes, and geocaches.
• Fixed issue with very long geocache descriptions.
• Fixed shutdown when reviewing certain geocache descriptions.
• Fixed issue where some auto-archived tracks would be named in English regardless of user language.
• Fixed issue with track log recording while using the stopwatch.
• Fixed potential shutdown while scrolling through Garmin Connect photos.
• Fixed minor graphical issue with the backlight slider on the status page.
• Modified default map trails to appear as dashed red lines.

Changes made from version 2.20 to 2.30:

• Improved support for Russian cartography.

Changes made from version 2.10 to 2.20:

• Added support for advanced geocache logging with OpenCaching.com. See TrailTech for more information.