Updates & Downloads

Marine Software - Express Bundle - All software version 20260921.0

as of September 21, 2026

Use Garmin Express to install this file.

(16.20 GB)

Notes:

• Use a SD card formatted to FAT32 for this update.
• Minimum SD card size: 8GB
• Maximum SD card size: 32GB
• Please back up your user data before applying the update.
• The use of an SD card that contains mapping data is not recommended for this update.
• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin® for service.