I can't sign-in on WiFi page.it says not secure connection. But 3 other smartphone can connect what can the problem be ?? I've

[mikegx67]

I cant login to a website, just to sign-in,it says that it can't connect a secure connection. But 3 other smartphone can connect !!! I've tried everything I can think of to get it fixed.

 

[helpstar]

which smartphone is it?

use another browser app