Why doesn't my iphone say ios?

So I seen on Facebook when somebody post a pic it will go to a photo album that says ios or a status it will say ios! What gives I have an iPhone 5 & when I post something it doesn't say ios it says from mobile someone please help me thanks

They are using the Post to Facebook button in Notification Center (in the case of statuses) & using iOS's Facebook option to upload their pics (share button, select Facebook).

That's it.

If you use the Facebook app to do either of the 2 then it will correctly say via mobile/put pics into Mobile Uploads.

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