End of service notice toggle
On Monday July 3, 2017 (GMT+9), service for the LINE app will be discontinued for the following OSes.
Note: In addition, you will not be able to create new accounts on these platforms starting Thursday April 27, 2017 (GMT+9).

• BlackBerry
• Firefox
• Nokia Asha
• Windows 8 Metro

To use LINE on iOS, Android, or PC (except Windows 8), please download the app from this link.

If you wish to transfer your LINE account to another supported OS such as iOS or Android, there will be some things you'll need to set up on your account beforehand.

For more information on how to transfer your account, please see here.

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What should I do if I encounter a problem when using LINE? toggle
If you experience a problem when using LINE, please try the steps below. If you need any assistance with them, please contact your mobile phone manufacturer.

Sometimes, you may be asked to log in to your account again after updating the app or your OS. Please register you email address or verify your Facebook account using the steps here to ensure that you can carry over your account successfully.

1. Update the LINE app.
2. Restart the LINE app (details).
3. Restart your device.
4. Update your OS.
5. Delete the LINE app’s cache.
6. Delete any unnecessary apps and data.

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What does it mean to carry over a LINE account? toggle
If you have registered an email address, when you change or reformat your device, you can carry over and continue using the account you have been using.

Please note that you cannot carry over your device by linking your Facebook account on Windows Phone, Blackberry, Nokia and Firefox OS smartphones.

Account carry over Help articles:

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Can I use the same LINE account from multiple devices? toggle
We are sorry to say that you cannot access a single account from multiple devices using the app version of LINE. However we do have a PC version of LINE (details follow).

Please note, you cannot use the same account on 2 or more smartphones. Also, for tablets and smartphones, if you have the LINE APP installed on each device, you cannot use the same LINE account for both the LINE apps.
You can only verify one smartphone per mobile phone number/email address.

To register LINE for use on a different device, please make sure that you have another phone number or email address available for each device.
★If you access the same LINE account from another device using the same email address/phone number, your LINE account will be automatically deleted from the previous device.

If you wish to use LINE on your PC, you can access the same LINE account as the one on your smartphone by using the PC version of LINE.
To access the PC version of LINE, please register your email address first from the smartphone version of LINE as follows:

▼How to register your email
1) Start LINE on your smartphone
2) Tap More on the main menu bar
3) Tap Settings
4) Tap Email Registration
5) Register your email address and password

After the registration is complete, please access download the client software for the PC version of LINE from the following link and login:

▼PC version of LINE

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I registered an invalid email. What now? toggle
Please do the following to unregister your email.

1. Tap ... at the top right of the main screen
2. Tap Accounts
3. Tap Email Registration
4. Tap Cancel Registration
5. Tap Cancel Registration again

We hope this helps.

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How do I use the PC version of LINE? toggle
To use the PC version of LINE you will need to register an email to your LINE account on your smartphone or tablet using the steps below. You cannot register as a new user from PC version.

1. Register your email address on your smartphone following these instructions.

2. Download LINE on your PC from the following webpage.

3. Log in to the PC version of LINE using the email address and password registered in step 1.

A list of OSes supported by LINE is available here.

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What does the gray exclamation mark in the chat window mean? toggle
A gray exclamation mark right next to a message or picture indicates that the item was not delivered successfully. Please try sending the item again later when the network becomes stable.

To resend a failed message, please do the the following:
1. Tap the exclamation mark.
2. Tap Resend.

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Why did I receive a login notification that I don't recognize? toggle

If you received a message saying that you have logged in to a smartphone, please see this article.


If you log in to LINE using the PC or Windows 8 version, you will receive a login notification on your smartphone. If you do not recognize the login notification, we recommend taking the following measures to protect your account’s security.


1. Disable logins from other devices

By turning the “Allow Login” setting to OFF using the smartphone version of LINE, you can disable logins from PC or Windows 8 versions.

In addition, your account will be logged off from all other devices as soon as this setting is set to OFF.



a. Go to More > Settings > Accounts.

b. Set Allow Login to OFF.


Please Note: These links only work on smartphones.


2. Change your password.


Please refer to the help guide here for a detailed explanation of how to change your password.


If you are using an iOS, Android, Windows Phone, or Firefox OS device, please see this article.


If you are using a BlackBerry or Nokia, please see this article.

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What should I do if I forgot my password? toggle
If you have forgotten your password, please reset it using the corresponding set of steps below.

1. To change your email address or password
If you are trying to change your email address, please see this article.

If you are trying to change your password, please see this article.

2. To carry over your account
If you select LINE User Login after changing to a new device or reinstalled the app and cannot recall your password, please follow these steps to send yourself a password reset email.

Please note that the password reset email will be sent to your email address registered to LINE.

a. Tap LINE User Login.
b. Tap Forgot your password?
c. Enter your registered email address.
d. Tap OK.

See this article if you do not receive the password reset email.

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The Basics

If you are having problems please see this section:

Help Center