: Type their username into the search bar. Even if blocked, they may appear in the results.
If you're not sure how to block someone on Instagram, here are the steps: how do i unblock someone on instagram
Here’s a clear, step-by-step write-up on how to unblock someone on Instagram, covering both the app and web browser. : Type their username into the search bar
When you unblock someone on Instagram, the following things happen: the following things happen: