If you experience lag, please check the following:

1. Check to see if your device meets the minimum requirements.
2. Check if your internet connection is stable.
3. Turn your device off and then on again. Then, try running the game again.
4. Check if the game is updated to the latest version. If not, update to the latest version from the store you downloaded from.
5. If the game is linked to an account, try deleting and reinstalling the game.

※ Warning: If you delete the game while logged in as a guest, your gameplay data will be lost and cannot be recovered. Be sure to link to an account to safely store your gameplay data.

If you have done all of the above but are still experiencing issues, please contact the in-game customer service center (HELP) and include the information below.
-Details on the issue and repeated steps
-Screenshot showing the issue
-When the issue first occurred (after installation, after updating, etc.)
-Date and time when the issue was discovered