LINE Help Center

Unread/read messages

When a friend sees a message you sent them on LINE, Read will appear to the left of that message. In group chats, numbers displayed next to Read (e.g. Read 2) indicate the number of people who have seen your message.

Depending on the recipient's device, a message may be marked as Read when they receive a notification for it. As such, the Read receipt doesn't necessarily mean that your chat message has been seen.

Also, the time that appears next to Read is the time you sent the message, not the time someone checked it.

Please use Read receipts as an approximate guide to whether or not your messages have been seen.

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To mark all your unread messages as read at once, follow the steps below.

iOS

To mark all the messages in a certain chat as read:
1. Tap the Chats tab.
2. Swipe left on the chat.
3. Tap Read.

To mark all chats as read:
1. Tap the Chats tab.
2. Tap Edit chats > Read all.
3. Tap OK.

Android

To mark all the messages in a certain chat as read:
1. Tap the Chats tab.
2. Tap and hold the chat in which you want to mark all unread messages as read.
3. Tap Mark as read.

To mark all chats as read:
1. Tap the Chats tab.
2. Tap the options icon at the top right > Mark all as read.
3. Tap Mark as read.

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If a chat message you sent doesn't appear as read and nothing else appears by it, it may be due to one of the following reasons.

Your network connection is unstable

With an unstable network connection, it may take some time for a chat to show up as read.

The recipient didn't see the message due to their use of the LINE app

If the person you sent the chat message to changed devices, reinstalled LINE, or accidentally deleted their chat history before checking the chat, they may not have noticed that they received the message. If the read mark still doesn't appear after some time has passed, try sending the message again or asking the person if they received it using a method other than LINE.

If an icon appears next to the chat message you sent, check its status by referring to the following Help article.

Checking a chat message's sent status

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If there is an issue with a chat message that you sent, one of the following icons will appear. (Messages that were sent successfully will have no icon or the read mark next to them.)

Left-pointing arrow icon

This icon may appear if your smartphone's network connection is unstable. Try sending your message in an area with a strong network connection.

Resend icon

If your message couldn't be sent due to a network error, a button to resend it will appear. After letting some time pass, try sending the message again by tapping the resend icon > Resend.

Exclamation point icon

This icon appears next to messages that were sent while an error was occurring with the server for sending/receiving messages. After letting some time pass, try sending the message again by tapping the exclamation point icon > Resend.

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"Unread messages below" is a bookmark-like feature that appears in chats with one or more unread messages. It shows where your Read messages end and your Unread messages begin.

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Help center

Search Help articles

Unread/read messages

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Help center

Search Help articles

Unread/read messages

About Read receipts next to your chat messages

Marking all unread messages as read

I'm not sure if my chat message was received because it isn't showing up as read

Checking a chat message's sent status

About Unread messages below