If LINE doesn't start or closes suddenly (crashes), please try the following:
• Update the LINE app.
Issues may occur on older versions of the app, so please update to the latest version here.
• Restart your device.
Some issues can be resolved by restarting your device. The steps to restart (turning your device's power off and on) differ for each device. See your user manual for details.
• Update your OS.
Issues may occur on older OSes. To check if there is a newer OS version available, follow the steps below:
Go to your device’s Settings > General > Software Update.
• Check if you are using any web limiting or filtering services.
If necessary, disable any of your carrier's web limiting or filtering services.
• Check your network connection.
Try using the browser on your device to make sure there are no issues with your network connection.
• Delete any unnecessary apps and data on your device.
Your device may not function properly if there is not enough storage space left on it.