How can I update my SpeedCoach Firmware with LiNK for MAC (OSX)? Destanee Glenn September 26, 2023 18:19 How to Update Your Firmware with NK LiNK for OS/X (MAC) (Size: 2.9 MB) This is guidance on how to update your SpeedCoach firmware with LiNK for OS/X (MAC). NOTE: The process has changed with release of firmware 2.22 Related articles What is NK LiNK for OSX How can I register my product on your site? How do I update my firmware to the latest version? Where can I get the latest firmware updates for SpeedCoach GPS Model 2/SUP2/OC2? What is LiNK? Comments 0 comments Article is closed for comments.