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Wireless Map and Software Update Instructions

A wireless connection to home high-speed internet (Fiber, Cable, DSL, etc.) is required to successfully complete a Wi-Fi update.

  • Connections with data caps or restrictions should not be used due to the size of a map update

  • Slower connections (satellite, fixed wireless, dial-up, etc.) and mobile broadband (MiFi, AirCard, cell phone tethering, etc.) should not be used

  • Captive portals are not compatible

NOTE: See Not Enough Free Space for a Wireless Update if your device states there is not enough space for the wireless update.

See the Detailed Video Below to Learn about Wi-Fi Connections for Updates.

The device must be plugged into power to perform the update. See External Power Options for Wireless Updates.

View the Following Video to Learn about Different Updates Available on Most Devices:

NOTE: Not all devices come preloaded and/or are compatible with the maps below. 

Current Map Version: 2026.20 (North America) as of June 25, 2025.

Current Map Version: 2026.10 (South America) as of May 7, 2025.

Current Map Version: 2026.20 (Europe) as of May 28, 2025.

See the Appropriate Instructions Below for Your Device:

Tread® - SXS Edition, Tread® - Overland Edition, and Tread® - XL Overland Edition GPS Navigators

To Connect the Device to a Wi-Fi Network:

1. Plug the device into a power source

2. Touch Settings

    • SXS Edition

    • Overland Editions

3. Touch Wireless Networks

4. Select Wi-Fi to enable Wi-Fi technology if necessary

5. Select a network

6. Enter the password for the network and select Connect 

The device should then connect to the network. The network will be added to the list of saved networks. The device will reconnect to this network automatically when it is within range.

To Check For and Install Both Software and Map Updates on this Device:

NOTE: Updates will not be available if the device is on the latest version.

1. Touch Settings

    • SXS Edition

    • Overland Editions

2. Touch Updates

3. Touch Access Wi-Fi Settings if prompted

4. Select a network

5. Enter the password for the network and select Connect

The device will check for available updates once connected to a Wi-Fi network. A prompt will appear to install them if any are found.

  • iOverlander data will be listed as a map update.

NOTE: The device will be unusable until the updates complete.

Tread® XL - Baja Chase Edition and Tread® XL - Baja Race Edition GPS Navigators

See the detailed video below for instructions.

To Connect the Device to a Wi-Fi Network:

1. Plug the device into a power source

2. Touch Apps

3. Touch Tools

4. Touch System Updates

 

5. Touch Access Wi-Fi Settings

  

6. Select a network

7. Enter the password for the network and select Connect 

The device should then connect to the network. The network will be added to the list of saved networks. The device will reconnect to this network automatically when it is within range.

To Check For and Install Both Software and Map Updates on this Device:

NOTE: Updates will not be available if the device is on the latest version.

1. Touch Apps

2. Touch Tools

3. Touch System Updates

 

4. The device will check for available updates once connected to a Wi-Fi network. A prompt will appear to Download if any updates are available

 

NOTE: The device will be unusable until the updates complete.

If you do not have access to Wi-Fi, see Updating Automotive Maps and Software with Garmin Express on a Tread Device.

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