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Updates & Downloads


Montana 650t, Taiwan (GCD file) software version 2.80

as of October 22, 2018

Use Garmin Express to install this file.

(21.48 MB)

View system requirements

Notes:


Change History

Changes made from version 2.60 to 2.80:

System requirements

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