There are many reason couldn't refresh feed instagram. The moment you come across
issues like “Instagram can’t refresh feed” when accessing Instagram, the
first problem that comes to mind is “a poor internet connection”. Below are
some more reasons.
1.One simple yet effective course of action is to close the app completely and
then reopen it. This action often helps kickstart the refresh process.
2.There could be an issue with the Instagram app itself. So, if there are bugs
or glitches in the application, it may hinder the feed from updating.