Updates & Downloads

Alpha 50 CHN software version 3.20

as of April 25, 2018

Use Garmin Express to install this file.

(10.02 MB)

View system requirements

Notes:

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.

Change History

Changes made from version 3.10 to 3.20:

Fix satellite tracking issue in certain conditions

Changes made from version to 3.10:

Improved stability of radio frequency communication
Fixed issue about QZSS satellite

System requirements

IBM-compatible PC running Windows 2000 or later operating system and an available USB port.