If your screen turns black while playing, it could be due to an outdated game version, an unstable internet connection, or insufficient device resources. Please try the steps below to resolve this issue:

- Restart Your Device: Turn off your device completely, wait a few seconds, then turn it back on.
- Check for System Updates: Go to Settings > General > Software Update and install any available updates.
- Free Up Storage Space: Ensure you have at least 2 GB of free storage on your device.
- Reload the Game: Restart the game and keep it open for a few minutes before attempting a purchase.
- Check Your Internet Connection: Make sure you are connected to a stable Wi-Fi network during gameplay.
- Close Background Apps: Close all other running applications while playing to ensure better performance.