SOFTWARE
You can upgrade the software in two ways:
Using the “OTA UPDATE” Tab
Step 4:
Click Browse and select the .zip firmware file.
💡 Tip: Make sure the folder path does not contain spaces or special characters in its name.
Wait 2–3 minutes for the update process to complete. Once finished, Lynx will automatically restart.
After the restart:
Close the current browser tab and reopen it.
⚠️ Do not refresh the current page during the upgrade process—doing so may cause the Lynx to repeatedly attempt firmware upgrades.

Flashing Lynx Payload Application
Download Latest Gremsy Flash Tool
https://github.com/Gremsy/GremsyFlashTools/releases/tag/v2.0.1
Connecting devices
Need access to Upgrade mode
Switch the right-side switch located above the GIMBAL connector.
Unplug the HDMI cable on the mainboard.
Connect the mainboard to the PC via a type-C USB cable through the HOST socket
Powering the mainboard and waiting for about 90 seconds for the device to be ready
Open the Gremsy Flash Tools then choose "PAYLOAD G-HADRON"

Download Lynx Payload Software (MB1_sw_package.zip) release from Github link
Choose "OPEN FILE" and browse the "MB1_sw_package.zip" file
On the Gremsy Flash Tools, choose "CHECK DEVICE," and then the successful connection will show up.
Choose "FLASH PAYLOAD G-HADRON" and wait for 3-5 minutes for the process to complete
Note: After a successful upgrade, switch the left-side switch located above the GIMBAL connector to start the Mainboard in Normal mode.
Software version
v3.0.6_build.04042026 Latest Version
Release Notes
1. The Payload App
Version: Updated to v3.1.4.18
New Features
Support geotag GPS for the TIFF file
Updated camera definition for Lynx NDAA
Support Lynx NDAA
Support Roi Measurement Half-Left mode and Half-Right mode for Lynx G1 and Infisight
Improves
Upgrade Infisight's Record EO to 3840x2160 30fps
Fix bugs
Resolve jitter issue in OSD recording
Known Issues
Video stream limitation: Frame rate settings for both EO and IR streams cannot be adjusted via web interface
EO Camera Flip does not work: Horizontal flip capability for EO camera is not yet available across all payload types
2. The Video Stream App
Version: Updated to v3.4.4.7
New Features
Supports changing the timeout period when clients are disconnected.
3. The Web Server Settings App
Version: Updated to v2.6.4.1
New Features
Supports changing ROI Measurement to Half-Left and Half-Right.
Supports changing Isotherm Threshold to temperature units.
Supports changing the timeout period when clients are disconnected
Known Issues
Encoder custom does not work
4. The Tracking App
Version: Updated to v2.1.0.3
New Features
Support Eagle Eye For Lynx NDAA
5. Gremsy Payload SDK
Version: Updated to v3.0.0
6. The Camera Definition File
Version: v7.0.0
LYNX STANDARD: camera_def-lynx-g1.xml
LYNX NDAA: camera_def-lynx-f1.xml
New features
Update camera definition for Lynx NDAA
Improves
Change range IR Isotherm Threshold for Lynx Standard
7. Payload Plus
Version: v1.2.0 (Supports Payload App v3.0.0.0 or higher)
8. Firmware Gimbal
Lynx gimbal
Version: v7.8.6
v3.0.5_build.10012026
Release Notes
1. The Payload App
Version: Updated to v3.1.2.0
New Features
Updated camera definition
Support RTP multicast video streaming
Enable IR stream, beside the main stream for both RTSP and RTP
Improved IR camera control with H.265 codec support for both RTP and RTSP streaming modes
Improved pipeline for the video stream processing
Known Issues
Video stream limitation: Frame rate settings for both EO and IR streams cannot be adjusted via web interface
EO Camera Flip does not work: Horizontal flip capability for EO camera is not yet available across all payload types
2. The Video Stream App
Version: Updated to v3.4.0
New Features
Updated RTP stream configuration
Corrected RTSP port assignments
Enhanced bitrate control for both RTSP and RTP streaming protocols
Custom encoding configuration support with blank default settings
Integration with web settings for dynamic stream configuration
3. The Web Server Settings App
Version: Updated to v2.4.4
New Features
Enhanced video stream settings UI and improved functionality
Added dedicated Video Stream Settings page for comprehensive EO and IR stream configuration
Refactored camera and gimbal control layout with improved responsiveness
Viewport settings optimization for better mobile experience
Support updating gimbal firmware via the Gimbal page
Refactored camera & gimbal control layout.
Improved responsiveness and viewport settings.
4. The Tracking App
Version: Updated to v2.0.3
New Features
IR tracking bandwidth optimization: reduced from 1280x1024 to 640x512 for improved performance
5. Gremsy Payload SDK
Version: Updated to v3.0.0
6. The Camera Definition File
Version: v6.0.0
LYNX: camera_def-lynx.xml
7. Payload Plus
Version: v1.2.0 (Supports Payload App v3.0.0.0 or higher)
8. Firmware Gimbal
Lynx gimbal
Version: v7.8.6
Last updated
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