Updates & Downloads

Monterra, GPS/BeiDou, CHN (region file only) software version 4.20

as of November 19, 2015

Use this support page to install this file.

(135.96 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.

System requirements

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