Updating the Software in the Astro 220 Handheld: You must use a Windows PC to update your devices with WebUpdater. IMPORTANT NOTICE TO MAC USERS: Do not update your handheld or collars using the Mac version of WebUpdater as it will corrupt the software and make your devices unusable.
Connection instability from dial-up, mobile, WiFi, or satellite connections could leave your handheld unusable.īefore you begin, you will need to go to Garmin's website and download their 'WebUpdater' software. We highly recommend using wired connections only. Most folks don't know it, but you can update the software in both your Garmin Astro Hand held and your collar to the most current version by logging into Garmin's website. The Garmin engineers make improvements in the software all the time. One of the things that has been changing on a pretty regular basis is the Astro Software.
