Yes, you can absolutely unblock someone on Instagram at any time. Whether you accidentally tapped the wrong button or decided it’s time to bury the hatchet, the process is straightforward and takes less than a minute.
: They can send you Direct Messages again. Note that any messages they sent while they were blocked will never be delivered to you.
This guide covers exactly how to unblock a user, what happens after you do, and how to manage your privacy settings moving forward. How to Unblock Someone on Instagram