There are lots of reasons why you may want to block someone on a social media platform or messaging app. The option to block or unblock someone on snapchat is available on android and iOS both. To unblock someone on Snapchat you need to follow some simple steps – Just open the snapchat app and click on the profile. On the profile section, tap on the “Settings” option to access the snapchat settings. Then, Scroll down and select the “Blocked” option to see a list of all blocked users. Locate the users, from the list that you want to unblocked. Press the “X” icon next to their name. A confirmation popup will appear, Select “Yes” to unblock the user.