Facebook’s mobile app disables long-press saving on cover photos. Here is the workaround:
Downloading a cover photo from a is strictly restricted by Facebook’s privacy protocols to protect user data from non-friends . While there are no official "one-click" download buttons for locked profiles, several manual and third-party methods exist to view or save these images. Understanding Facebook's Profile Lock Feature download facebook cover photo of locked profile verified
: On the official mobile app, the lock often triggers a "black rectangle" or prevents screen capture entirely. Visibility Limits : Only the Facebook’s mobile app disables long-press saving on cover