Click "Browse" and select the firmware file you downloaded. Upgrade: Click "Upgrade."
The ZTE ZXHN F670L is a powerhouse for fiber-to-the-home connections. Keeping the firmware current ensures you get the full benefit of its AC1200 dual-band capabilities. If you are unsure about the specific version provided by your ISP, always call their support line before attempting a manual flash to avoid voiding your warranty. Zte Zxhn F670l Firmware Update
Do not turn off the router or disconnect the cable during this process. The router will reboot automatically once the installation is complete. Troubleshooting Common Issues Click "Browse" and select the firmware file you downloaded