About the "back number app"
- The "back number app" won't open. (It force closes/returns to the home screen)
「back number アプリ」を起動後、すぐに強制終了してしまう場合は、一度アプリをアンインストールしていただき、再度【App Store/Google Play】よりインストールし直してください。
再インストール後もアプリが起動されない場合は、お問い合わせください。
Other questions about the "back number app"
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What is the "back number app"?
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Is the "back number app" a paid app?
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I cannot log in to the "back number app".
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Can I still use the "back number app" after changing my phone model?
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When you log in using the "back number app," "[Not Registered]" will be displayed on your My Page.
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If I delete the "back number app," will my fan club registration be canceled?
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Is phone number verification required for the "back number app"?
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I am unable to complete SMS authentication/identity verification for the "back number app".
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Could you please tell me about the push notification settings for the "back number app"?
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Regarding inquiries about the "back number app"
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