If the app fails to start and the “Failed to download update file list. Please check your Internet connection and try again later.” message is displayed, your network environment may be unstable.

This may be due to congestion of your network route, which may be extremely congested particularly between evening to night depending on your Internet service provider.
Please try accessing again later.
If you are connected via 3G/4G, please try connecting again through a stable network environment, such as via Wi-Fi.
Access to the server may have failed due to sudden load or emergency maintenance on the data server.
We apologize for the inconvenience this may cause. Please try again later.