HD408 Firmware Updates

New Firmware Updates 7/10/25 - HD408 Autosteer

New controller and display terminal updates for the HD408 auto steer system. Note this is a update as of 7/10/2025 and Newer Updates may be available.

 

Important Note: this is an update as of 7/10/2025, and Newer Updates may be available.

 

 

Click Here for the most up-to-date and current firmware list of the HD408 Auto Steer

 

Learn how to update your firmware:

Click Here for an article on How to Update Your Firmware

 

Display terminal update

3.7.1.12

July 10, 2025  
Download Here: Navterminal-v3.7.1.12

Adds speed display in mph, refined menu options, updated control parameter descriptions, new PPP GNSS option (SBAS), total acres covered with or without autosteer engaged

**Will install a new version of the Autosteer app, but preserve existing settings**

Controller update

4.2.2.11

July 10, 2025 
Download Here: navctrl_4.2.2.11.ver3

 

 

Click Here for an Auto Steering System (Full Kit)

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