By saving your Yay! account, you can log in using the selected account-saving method even when changing devices or if your login session expires (e.g., when your account no longer appears on the previous login screen).
Please note that you can only log in to your Yay! account using the same method you originally used to save it.
For example, if you have multiple X accounts and saved your Yay! account using X Account A, you must log in via "Sign in with X" using X Account A. X Account B cannot be used to access the same Yay! account.
If you have trouble logging in, we will assist you as much as possible.
However, in the following situations, our support may be limited.
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If the account has not been saved
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If the account saving method has not been updated
*For example, if you previously saved your account via LINE but have since deleted the corresponding LINE account
Therefore, please be sure to save your account, and if the account saving method in the settings becomes unusable, please set up a different account saving method separately.
How to renew your account saving method（iOS / Android）
- Tap the Settings icon on the profile page and tap [Account]
- Tap [Save current account]
- Setup your account saving method
How to newly save your account（iOS / Android）
If you are using an account that has not been saved, a popup prompting you to save your account will appear. Please refer to the following screen transitions for the setup method.
Log in to your account（iOS / Android）
Tap [Login] on the initial screen
Log in using the method you set when saving your account