The Use Auto Discovery (WPAD) setting is toggled on by default. This setting is used if your device gets the Proxy Server's address from DNS or DHCP. If necessary, you can manually enter your own configuration file URL.
If your device is new or has been reset:
If your device is already activated:
Alternatively, if your device is currently activated and connected to a Wi-Fi network you can access the Proxy settings by tapping Wi-Fi at the top of the Network connection screen, and then tapping the gear icon next to the selected network.
Choose Auto from the Proxy options.
Use Auto Discovery (WPAD) is toggled on by default. Tap the toggle to turn it off.
Enter the URL where the device gets the address and port number of the one or more proxy servers, in the Proxy auto config URL field. This URL is the location where the endpoint can get the Proxy server address.
When you are finished, tap the checkmark on the top right of the screen.