HELLO,
I’m writing to see if you can help me. I am trying to create and configure the social login of facebook, so that the user connects to the wifi and likes to work. Well, it worked a while ago, but it stopped working and we do not know why.
I put an image on the pc works correct but mobile device does not
Now that is really little information you provided 
If it used to work and suddenly doesn’t, something must have changed.
Did you recently add PCC load balancing?
Did you change addresses?
Did you upgrade firmware?
and so on…
-Chris