Open a web browser and enter the default IP address: http://192.168.0.1.

Go to Settings > Device Settings > Update Management .

Ensure your router is connected to a reliable power source. Do not disconnect or power off the device during the update process, as this can permanently damage the hardware. Method 1: Automatic Online Update (Recommended)

If your router cannot find an update automatically, you can perform a manual installation. MF283U - ZTE