Please follow below steps to set up the proxy setting:
(1) Select [Settings] under Android Homepage.
(2) Select [Ethernet].
(3) Select [Ethernet configuration].
(4) Keep scrolling down to [Proxy].
(5) Select [Proxy] >> [Manual].
(6) Keep scrollomg down to additional proxy settings.
(6-1) Select [Proxy hostname] to enter proxy address.
(6-2) Select [Proxy port] to enter proxy port.
(6-3) Set [Bypass proxy for] if needed.
(7) Click "Save" button to complete the proxy setting.