HD408 Auto Steer Firmware List Update Hub

New updates for the HD408 System will be posted on this page when released.

Update Version history:

GNSS updates

Display terminal updates

✅ Current: 3.7.1.15

September 17, 2025 

Download Here: Navterminal-v3.7.1.15.apk

(Optimizes and improves usability for a variety of functions)

Previous:

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, more PPP GNSS options)

3.6.3.13

Controller box updates

✅ Current: 4.2.2.17

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

Previous:

4.2.2.11

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

4.1.3.0

IMU updates

✅ Current: 1.b

Gyro updates

✅ Current: 0.6

Click Here for an Auto Steering System (Full Kit)

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