1. Open the Android Settings app and tap Wi-Fi to see a list of Wi-Fi networks.
2. Hold and press the name of the Wi-Fi network for which you want to change proxy Settings.
When the menu appears, click modify Network.
If you are not already connected to a Wi-Fi network, you need to
Wi-fi network and enter its password before you can access modify Network.
3. Expand the Advanced Options section of this screen.
Click the Proxy option and select Manual to enter proxy server Settings manually.
4. In the Proxy Host Name text box, enter the address of the proxy. Enter port number 1212.