Sharp 4K Android TV LC50UE630X

Preinstalled Netflix couldn't be opened unless a latest software version is updated!!!
However, when the Netflix is going to update, a pop up window says that it cannot access the network/ it cannot access the download site...
*My network and Wifi is running well on other apps like Youtube on Android TV
I have tried to download the apk files online on my hard-disk and tried to plug in the hard-disk and installed the latest apk Netflix files on the
Android TV but nothing happen and it still need to update. Hopefully someone could help me out         
Probems facing as below:
<a href='https://pictr.com/images/2019/09/04/5iX7GP.md.jpg' target='_blank'>https://pictr.com/images/2019/09/04/5iX7GP.md.jpg </a>
<a href='https://pictr.com/images/2019/09/04/5iXPvc.md.jpg' target='_blank'>https://pictr.com/images/2019/09/04/5iXPvc.md.jpg </a>
<a href='https://pictr.com/images/2019/09/04/5iKs8B.md.jpg' target='_blank'>https://pictr.com/images/2019/09/04/5iKs8B.md.jpg </a>
<a href='https://pictr.com/images/2019/09/04/5iX57G.md.jpg' target='_blank'>https://pictr.com/images/2019/09/04/5iX57G.md.jpg </a>