Updating Your Charts Using the Garmin Express App
This device supports up to a 32 GB memory card, formatted to FAT32 with speed class 4 or higher. Use of an 8 GB or higher memory card with speed class 10 is recommended. An 8 GB memory card is included with GPSMAP® 7x3/9x3/12x3 models.
Downloading the chart update may take up to a few hours.
You should use a blank memory card for chart updates. The update process erases the content on the card and reformats the card.
Parent Topic: Garmin Express App