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Updates & Downloads


T5/ TT15 Mini OnSemi software version 4.90

as of August 16, 2022

Use Garmin Express to install this file.

(1.11 MB)

View system requirements

Notes:


Change History

Changes made from version 3.80 to 4.90:

System requirements

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