If you cannot log in to Instagram app or account and maybe see Unknown network error, here are some suggestions to help you sign in successfully.

How to log into Instagram on a mobile device Logging into your Instagram account on a smartphone or tablet is the same regardless of whether you are using the Instagram app on an iOS or Android ...

In a statement, a Facebook spokesperson confirmed the change. "Now if you're not logged into Instagram, you can only see a certain amount of posts on public profiles before being asked to log in.