: Log in to your ISP's customer portal. Many providers push updates automatically or provide a manual download section tailored to their network's specific configuration.

While you may find third-party download links for firmware on forums or document sites, it is highly recommended to seek official updates directly through your Internet Service Provider (ISP) or the official ZTE Support portal. Many units are , and manually flashing firmware from unofficial sources can lead to compatibility issues or loss of service. product - ZTE Support

Log into your router and navigate to Status → Device Info .