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Updates & Downloads

GPS Chipset Type M5 software version 4.20

as of July 17, 2019

Use Garmin Express to install this file.

(555 KB)

View system requirements


Change History

Changes made from version 4.10 to 4.20:

System requirements

  1. IBM-compatible PC running Windows 2000 or later operating system and an available Com 1, 2, 3, or 4 port.
  2. PC Interface Cable for your GPS unit. The PC Interface Cable may be purchased through your local Garmin distributor or ordered direct from our Online Store.