Recent updates for ZTE ONT devices, such as the transition from version , have introduced significant improvements that users are eager to implement:

Updates often optimize the 2.4 GHz and 5 GHz bands to reduce interference.

Look for Settings > System > System Update .

This is the simplest way to get the latest official "hot" patches directly from ZTE servers. Go to the router's admin page.

Open your browser and enter the admin IP (often found on the device label).

Firmware refreshes address critical vulnerabilities, such as input verification flaws that could affect older versions.