Unblocking blocked users doesn’t trigger notifications for the users you unblock on any platform. However, you’ll need to send them a new follow or friend request to add them to your friends list, except in the case of WhatsApp. This applies even to users you were Facebook friends with before blocking them. Note that blocking someone unfriends them and they won’t be re-added as a friend automatically. There are also a few unconventional ways people can use to find if someone has blocked them. If you’ve blocked people on Facebook, Messenger, Instagram, or WhatsApp, and want to unblock them before they find out, we’ll walk you through how you can unblock them in this guide.

How to Unblock Someone on Facebook

You can unblock someone from your Facebook account in two ways: the Facebook website and the Facebook mobile app. We’ll explain step-by-step how you can unblock someone after blocking them on Facebook using both methods.

How to Unblock Someone Using Facebook Website

Note that if you unblock someone, you can’t block them again for another 48 hours. However, after 48 hours, you can just revisit the Blocking section, enter the name of a Facebook user in the Block users column, and select the Block button to block someone again.

How to Unblock Someone Using the Facebook App

If you’re an iOS user, the UI and the process are more or less the same as Facebook’s Android app.

How to Unblock Someone on Messenger

You can also just block someone from messaging you on Facebook Messenger, instead of blocking their profile entirely. If you’ve blocked someone from messaging you and you want to unblock them, there are two methods of doing so: using the website and the Messenger mobile app.

How to Unblock Someone on Messenger from the Website

When prompted for confirming, select the Confirm button.

How to Unblock Someone on Messenger from the Website

If you don’t want to be seen online by someone when you’re using Facebook, you can just turn off active status on Facebook and appear offline without having to block them. Of course, this means that none of your friends will be able to see you online.

How to Unblock Someone on Instagram

When you block someone, Instagram won’t send any notifications. However, blocking an Instagram profile will effectively result in unfollowing them as well, and there are ways to see who unfollowed you on Instagram.  So if you’ve blocked someone and you want to unblock them before they find out, there are two ways to unblock someone on Instagram: from their profile and from your account settings.

How to Unblock Someone on Instagram from their Profile

How to Unblock Someone on Instagram from Account Settings

How to Unblock Someone on WhatsApp

Since you don’t need to add someone as a friend or follow someone on WhatsApp, blocking or unblocking neither sends a notification nor requires you to add them as a friend when you unblock them.

Unblocking is Easy

Unblocking users on Facebook, Messenger, Instagram, and WhatsApp is fairly easy. However, it’s best to use the blocking option carefully because while no platform will send an explicit notification that you’ve unblocked someone, you’ll still need to re-add or re-follow them, except in the case of WhatsApp.

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