NETGEAR RAX40 User Manual page 172

Update the Firmware
Install your router using the Nighthawk app. Then follow these instructions to
update your router's firmware.
To update your router's firmware using the Nighthawk app:
1. Launch the Nighthawk app and log in to your router.
The dashboard displays.
2. Tap the router icon.
The Router Settings page displays.
3. Tap the Check For Updates button.
The app checks for new firmware.
4. Update the firmware if a new firmware version is available.
NETGEAR.