You want to unblock someone whom you have blocked earlier. The reasons for unblocking a contact may be different for different people. Perhaps you have blocked your friend by mistake or maybe for genuine reasons like doubt, arguments, or quarrel but now the matter has resolved, and you want to unblock your friend.
Unblocking a contact is very easy in Line messenger. Follow the simple steps to unblock your friend in Line app.
Tap on More at the top-right, then tap on Settings (gear icon).
Tap on Friends in the Settings.
Tap on Blocked Users
Tap on the Edit button next to the user whom you want to unblock from the list of blocked users in Line app.
Tap on Unblock.