If you're having issues with LINE, try the troubleshooting tips below:
• Close all running apps.
• Restart LINE and your device.
• Update LINE to the latest version.
Additionally, issues may occur if you do not use LINE with the recommended system specifications.
Note: We do not offer support for devices that are jailbroken or rooted.
If you experience network errors or images do not appear properly, try the following:
• Delete any unnecessary apps and data, and clear the cache on your device.
• Check if your network connection has any restrictions or filtering services in place.
• Clear the LINE app's cache.
To clear the LINE app's cache:
1. Tap the Home tab > Settings > Chats.
2. Tap Delete data.
3. Next to Cache, tap Clear > Clear.
Your LINE account has become inaccessible because the registered phone number was removedNote: Once your account becomes inaccessible, the data related to it (including your friends and chat history) is deleted and cannot be restored.
If a new account was created with the phone number that was registered to the LINE account you were using:The same phone number being registered to more than one LINE account is causing the issue.
Note: With the smartphone version of LINE, the same account cannot be used on multiple devices.
If a phone number you canceled was still registered to your LINE account:Your account may have become inaccessible because someone else began using your canceled phone number and registered it to their LINE account.
Note: Rest assured that the person currently contracted with your old phone number cannot access your previous LINE account data, and your account has not been stolen.
Your LINE account was transferred to a different deviceTransferring your account to a different device (e.g. smartphone, tablet) will make it inaccessible on the previous device.
If you want to use your LINE account on the previous device again, tap OK or Delete on the "Unable to use account" error message screen > Log in and transfer your account.
Note: You can use the same account on LINE for PC or LINE for iPad by logging in with the same email address.
You shared your verification code, phone number, password, or account transfer code with someoneSomeone else may have used the information they learned from you to access and use your LINE account without your permission. Please contact us via this Inquiry Form and we will check your account information.
Note: For more details, see this Help article.
Important: Your chat history cannot be transferred to LINE. Please save your important chats separately before transferring your account.