Updates & Downloads

GPS Chipset Type M5 (2957) software version 2.20

as of May 4, 2018

Use Garmin Express to install this file.

(689 KB)

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 2.10 to 2.20:

Fix satellite tracking issue in certain conditions.

Changes made from version 2.00 to 2.10:

Improved overall GPS positional accuracy.

System requirements

IBM-compatible PC running Windows 7 SP1 or later operating system and an available USB port.