I am trying to integrate the latest facebook ios sdk 3.20 for my existing ios app, but It start crashing on iOS 5.1.1 devices every time i try to login using facebook. Please see the screen sort attached
Let me If you need some more information for the same
Thanks
You can see on their SDK page that the Facebook SDK supports iOS 6.0 and greater. They appear to be using new features of Objective C that are not present in older versions of iOS SDK.