We faced with this issue also. "display=popup" works. But gives really small font. Investigating more.
display=wap is working fine.
Try to revoke permissions for your app. And relogin again.
Trying "popup" mode helps. But old 5 OS phones can't scroll right to press "allow" button. Emailed to FB.
Hey guys. We created issue for FB: https://developers.facebook.com/bugs/401534949883394?browse=search_4ffad6fdebcfa6990918340
If you are FB developer please mark it as reproduced to force FB to fix it.
Does anyone have issues with FB authorization?
Finally! Let's make buzz on this issue. FB should react quickly!
I fill like one person in desert
We are also facing problems with facebook, any solution for this?