Updates & Downloads

---

GPSMAP 66 (WebUpdater) software version 6.00

as of November 20, 2020

Use Garmin Express to install this file.

(19.86 MB)

View system requirements

---

Change History

Changes made from version 5.00 to 6.00:

• Added support for starting navigation form the Explore App

Changes made from version 4.80 to 5.00:

• Fixed issue causing some software updates to fail.
• Improved the process of deleting .ggz files.
• Fixed issue with geocache proximity alarm slowing down start up times.
• Fixed possible shutdown on photo viewer with lots of photos.
• Fixed potential flashing of main menu on top of different apps.
• Fixed issue that could occur when clearing geocaching live data while navigating to a geocache.

Changes made from version 4.20 to 4.80:

• Added support for the additional waypoints part of a geocache to be downloaded via geocaching live
• Added geocache proximity alerts
• Added Auto Save to recording setup, replacing Auto Archive
• Added Garmin Explore collections manager
• Improved text entry for inReach remote
• Improved BirdsEye Direct download speeds
• Improved use of Menu > Menu so that page sequence positioning is not lost
• Improved Chirp icon to indicate when Chirp is active
• Improved behavior of navigation of the active track after a power cycle
• Fixed possible issues sending messages with inReach Remote
• Fixed possible shutdowns related to BirdsEye Direct
• Fixed possible issues with Chirp pages
• Fixed possible issues with geocache filters
• Fixed possible display issue on the review page for right to left languages
• Fixed incorrect location data on geocache logs
• Fixed possible issue where calendar would select the wrong day
• Fixed possible issue reading data from microSD cards
• Connect IQ security improvements

Changes made from version 4.10 to 4.20:

• CIQ Security Update

Changes made from version 3.40 to 4.10:

• Added ability to display FIT Activities on the map
• Improved hiking route calculation performance
• Fixed issue with using Spell Search to find cities in BirdsEye Direct
• Fixed issue with deleting routes
• Fixed issue with erroneous Track Archive Error dialog displaying at startup
• Fixed keypad input preventing Wi-Fi networks from being added
• Fixed issue with trip info fields not resetting
• Fixed issue with displaying invalid positions in some position formats
• Fixed issue with mismatched durations in Trip Computer and Recording Controls when using Expedition Mode
• Fixed issue with not being able to display HuntView maps if a BirdsEye map is visible
• Fixed issues with connecting to Bluetooth bike speed, cadence, and speed + cadence sensors
• Fixed issues with CIQ applications not being able to download content
• Fixed issue with displaying incorrect coordinates on the Satellite page when in satellite demo mode
• Fixed issue with sending XERO locations to another device
• Fixed issue with not properly displaying paired inReach Remote device as connected

Changes made from version 3.10 to 3.40:

• Fixed issue where spot soundings were permanently disabled
• Fixed possible issue on the map where we would list use instead of go
• Fixed potential issue where route activity was not saved after changing profiles
• Fixed potential shutdown when Recording Controls is in the page sequence
• Fixed issue where we would delete GPX files on SD cards during Delete All
• Fixed possible issue when leaving Weather page from page loop
• Fixed possible issue with mass storage locking up
• Fixed possible issues with MOB key
• Fixed possible issues with WiFi set up page
• Fixed possible shutdown when using Area Calculation
• Fixed possible shutdown during large Birdseye downloads
• Fixed possible shutdown with changing dashboards
• Fixed timing for flashlight SOS morse code
• Added ability to hide/show the dashboard on the map
• Added Geocaching options to main map page
• Improved altitude accuracy in Expedition Mode
• Improved altitude accuracy with auto calibration
• Updated magnetic compass deviation

Changes made from version 3.00 to 3.10:

• Added ability to view upcoming turns in active route
• Added support for remotely launching Connect IQ apps
• Added additional Connect IQ cryptography support (KEY_PAIR_ELLIPTIC_CURVE_SECP224R1 and KEY_PAIR_ELLIPTIC_CURVE_SECP256R1)
• Added ability to select from multiple found ANT/BLE sensors when searching for one
• Added support for the Swiss grid CH-1903+ position format
• Fixed issue with custom maps on SD cards
• Fixed issue with calorie data field when using a heart rate monitor
• Fixed issue with coordinate entry in some position formats
• Fixed issue with proximity alerts of points loaded via POI loader
• Fixed potential issue when stopping navigation when viewing the active route directions
• Fixed issue that could occur after moving a waypoint
• Improved activity data on Garmin Connect

Changes made from version 2.90 to 3.00:

• Added support for G3 Marine Cartography.
• Added TracBack to active track map review menu.
• Fixed possible issue with ascent/descent stats during Expedition Mode.
• Fixed possible issue on system resets.
• Fixed possible issue when routing to photos.
• Fixed possible issue when stopping navigation.
• Fixed possible issue when downloading Geocache Live lists.
• Fixed possible issue with track save portion page.
• Fixed possible issue on photo viewer when there are no photos.
• Fixed smart notifications after new pairing.
• Fixed possible issue with large Birdseye downloads.
• Fixed issue where ghost waypoints were appearing in Waypoint Manager.
• Fixed Chirp icon missing from the Geocache Dashboard.
• Improved CIQ app support.
• Improved photo viewer menu title to be consistent across platform.
• Improved download speeds of larger Birdseye Direct images.
• Moved activity type (once resided in Fitness) into recording setup.

Changes made from version 2.50 to 2.80:

• Fixed possible issue when syncing with Garmin Explore App.
• Fixed possible issue when saving or deleting waypoints.
• Fixed possible issue with RINEX data.

Changes made from version 2.10 to 2.50:

• Added support for Connect IQ 3.0
• Added support for SK 42 grid system
• Fixed issue on satellite page and empty lists
• Fixed issue with Connect IQ tones
• Fixed issue with Bluetooth setup from weather or geocaching
• Fixed issue with short address numbers
• Fixed issue with total ascent in saved track
• Fixed issue when ending track navigation
• Fixed issues with map page
• Fixed issue with cancel option on power on settings clear
• Fixed issue where geocache filters weren't being applied
• Fixed issue on confirmation prompts
• Fixed issue with temperature data field text
• Fixed issue with custom map dashboards on stop navigation
• Fixed issue routing to next stage geocache
• Fixed issue where maps would load on every powerup
• Fixed issue when accessing waypoint averaging from page ribbon
• Fixed issue where some highway and freeway map labels were being cut off
• Fixed issue causing weather map UI slowness

System requirements

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

---