If you’re experiencing issues such as a black screen, crashing, or freezing when trying to launch the game, please check the following:

 ■ Make sure your device OS and the game app are up to date

 - Android: [Settings > Software Update]

 - iOS: [Settings > General > Software Update]

 - Check the Google Play Store or App Store to ensure you're using the latest version of the game.

 ■ Close other apps running in the background and restart your device

 ■ Delete and reinstall the game app

 If the issue persists after these steps, please check that your device meets the minimum requirements.

 [Minimum Requirements]

 - Android: Galaxy S7 or higher / Android OS 6.0+ / At least 2GB RAM / At least 3GB of free storage

 - iOS: iPhone 7 or higher / iOS 12.0+ / At least 2GB RAM / At least 3GB of free storage