Brooo, I had this EXACT problem last month. Why won't Instagram let me like posts? Turns out I was *soft-banned* for "suspicious activity" (aka liking 10 posts in a row lol).
It fixed itself after 24 hrs. If it’s not that, maybe your app needs an update? Or try liking from a browser instead.
It fixed itself after 24 hrs. If it’s not that, maybe your app needs an update? Or try liking from a browser instead.