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

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