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Updates & Downloads

Montana 650t, China (GCD file) software version 2.70

as of October 22, 2018

Use Garmin Express to install this file.

(21.61 MB)

View system requirements


Change History

Changes made from version 2.60 to 2.70:

System requirements

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