HD408 Firmware Updates
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      2. HD408 Auto Steering System
      3. HD408 Firmware Updates

      New Firmware Updates 9/17/25 - HD408 Autosteer (Current)

      New controller and display terminal updates for the HD408 AutoSteering system.

      Important Note: this is an update as of 9/17/2025, and Newer Updates may be available. Ensure you check the latest versions.

      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

      3.7.1.15

      September 17, 2025 

      Download Here: Navterminal-v3.7.1.15.apk

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

      Controller update

      4.2.2.17

      September 17, 2025 
      Download Here: navctrl_4.2.2.17.ver3

      Update Info:

      1. Optimized the One-Touch U-Turn function.
      2. Optimized the Curve guidance lines Dragging function.
      3. Optimized the restriction of the Radio Modem frequency input range.
      4. Optimized the Remote Assistance functionality.
      5. Optimized the function for generating guidance lines by manually entering Latitude and Longitude coordinates.
      6. Optimized the guidance line generation logic for both Night Mode and Day Mode display themes.
      7. Optimized the Reset Base Point function when switching between guidance lines.
      8. Optimized the creation of new AB Straight Lines and A+ guidance lines.
      9. Optimized the real-time update of Field Area calculation when creating or modifying field boundaries.
      10. Optimized the GNSS board firmware upgrade process.
      11. Modified and unified the area units of all layouts
      12. Optimized the Demo/Simulation mode functionality.

       

      Click Here for an Auto Steering System (Full Kit)

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