Step 1: Plug the WS331c into a power socket near the wireless router

Step 2: Wirelessly connecting WS331c to the wireless router
Method 1: Automatic Connection through WPS Button

Method 2: Manual Connection through the WS331c Web Page
- Check the WS331c’s Wi-Fi network name (unencrypted by default), and then wirelessly connect your phone to the Wi-Fi network.
- On your phone, open a browser and enter 192.168.3.1 or mediarouter.home to access the WS331a configuration screen. Then enter the login password (default value: admin).
- Touch Internet Connection Wizard. Complete the configuration by following the Internet Connection Wizard.

References
- User Manualmanual.tools
WS331c
How do I set up and log in to the Huawei WS331c WiFi extender?
To set up and log in to your Huawei WS331c, follow these steps:
192.168.3.1ormediarouter.homein the address bar.Read the full Q&A page
192.168.33.1
What is the correct IP address to log in to the Huawei WS331c?
It appears you are trying to access the configuration page for your Huawei WS331c. Please note that the default IP address for this specific model is 192.168.3.1, rather than the one you provided.
To log in and configure your device, follow these steps:
192.168.3.1ormediarouter.homein the address bar.If 192.168.3.1 does not work, ensure your device is fully reset by holding the reset button for a few seconds while the unit is powered on.
Read the full Q&A page
WS331C
How do I log in and set up the Huawei WS331c?
To log in and configure your Huawei WS331c, follow these steps:
192.168.3.1ormediarouter.homein the address bar.admin.Alternatively, if your router supports WPS, you can press the WPS button on the router and then press the button on the WS331c to connect automatically.
Read the full Q&A page