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Updates & Downloads


Forerunner 645 software version 6.20

as of August 14, 2019

Use Garmin Express to install this file.

(4.07 MB)

Notes:


Change History

Changes made from version 5.90 to 6.20:

Changes made from version 4.20 to 5.90:

Changes made from version 4.10 to 4.20:

Changes made from version 4.00 to 4.10:

Changes made from version 3.70 to 4.00:

Changes made from version 3.40 to 3.70:

Changes made from version 3.30 to 3.40:

Changes made from version 3.10 to 3.30:

Changes made from version 2.50 to 3.10:

Changes made from version 2.40 to 2.50: