You can check for updates manually by logging into the router administration panel.

Download the .bin or .img file intended specifically for the V10.0 version. Official ZTE Terminal Support

Connect your laptop or PC directly to the router via an Ethernet cable. Never update firmware over Wi-Fi , as a disconnection can brick the router.

: Gigabit Ethernet ports for high-speed wired connections.

The is a wireless gateway typically provided by Internet Service Providers (ISPs).

Fixes issues where the router requires frequent reboots.

What are you trying to fix with an update (e.g., slow speeds, dropping Wi-Fi, port forwarding failures)? What is your current firmware version string?