PROBLEM WITH CONNECTION ESPECIALY FACEBOOK APP

At times when u try opening facebook application, phone browser  or other apps on android you see an error message saying: sorry login fail to reach facebook servers. please check your network connection or try again later (CONNECTION_ERROR:CONNECTION ERROR)
This is what to do: just go to settings, mobile networks, access point names, open the access point that is selected alteady, scroll down to proxy, delete anytin you see in it, scrol down to port also delete what is there, you are done save the settings then go and open the application again it should open. i hope this helps. pls share and feel free to comment where you dont understand.