If LINE is unable to start or closes suddenly (crashes), please try the following.
1. Update the app.
Issues may occur on older versions of the app. Please update to the latest version.http://line.me/update
2. Restart your device.
Some issues are resolved by restarting your device. Steps may differ for each device. Please see your user manual for details.
3. Update your OS.
Issues may occur on older OSes. Please check if your OS has been updated to the latest version using the steps below.
iOS: Go to your device’s Settings > General > Software Update.
4. Check your network connection.
Please check if your device is properly connected to the network using your browser.
5. Delete unnecessary apps and data from your device.
The device may not function properly if there is not enough storage space left. Please delete any unnecessary apps or data.
Let us know if we can make it better.