How to Install Software Updates to My Garmin Astro 220

The Garmin Astro® 220 software should be kept up to date in order to take advantage of improvements and bug fixes. Updates are free and easy to install. Software updates can be installed through Garmin WebUpdater on a Windows or Mac computer. Use the options below for steps to update your Astro 220.

Updating Your Garmin Device with WebUpdater on Windows

NOTE: Garmin dog tracking collars designed to be updated with Garmin WebUpdater should only be updated on Windows.

1. You need WebUpdater installed on your computer first. If you already have WebUpdater installed, skip this step. Download WebUpdater.

2. Connect your Garmin to the computer with the appropriate USB cable

NOTE: Avoid using USB 3.0 ports when updating a collar.

3. WebUpdater will be launched during the installation process. If you already had WebUpdater installed, launch WebUpdater.

4. Select the desired Garmin device from the drop-down menu, or click Find Device if your device is not listed. Click Next.

5. WebUpdater will display the available updates. Click Next through the following pages to review the software release notes, software change history, and license agreement.

6. Check the box to agree to the license agreement terms, and then click Next to begin the update process.

7. Once the update starts, WebUpdater will display the current progress.

8. After installing the main update file, WebUpdater will prompt you to check for any additional updates. Click Next.

9. If additional updates are available, click the checkbox next to the desired updates and click Next to install them. Once complete, click Finish.

If no additional updates were found, click Finish.

10. Once complete, disconnect your Garmin from the computer and power it on to make sure the software updates installed successfully.

Collar Updates

Looking to update your dog collar as well? Select your collar below for instructions on updating your collar.

• DC™ 20, DC 30, and DC 40