Updates & Downloads

eTrex 20x/30x MN (GCD file) software version 2.20

as of September 15, 2021

Use Garmin Express to install this file.

(14.23 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 to 2.20:

Fix issue of multiple sensors found notification.

System requirements

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