About the app
I can't log in to the "Phantom Siita Official App."
◆ "Heine" members
If you are a member of Phantom Siita official fan club "Heine", you can use the app with the same ID and password.
»Check your Plus member ID here
»If you have forgotten your password, click here (reset)
◆If you are not a registered member
To register as a member of Phantom Siita official fan club "Heine", click here
*Please register using a web browser (Safari / Google Chrome).
*Operation of Yahoo!Japan apps etc. is not guaranteed.
Other questions about the app
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How do I download the "Phantom Siita Official App"?
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Can I use the app on devices other than smartphones?
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What is "TICKET" in the app?
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After reinstalling the app, I can no longer log in.
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Can one person register multiple apps?
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If I change my device, can I still use the app?
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I'm not receiving push notifications.
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Can I view the content without paying the membership fee?
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What is in-app payment (App Store payment/Google Play payment)?
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I registered using in-app payment (App Store payment/Google Play payment), but I can't view member content.
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I registered on the website, but I also registered on the app.
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How do I cancel in-app purchases (App Store payment/Google Play payment)?
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I would like to resume in-app purchases (App Store payment/Google Play payment).
If the above does not resolve your issue, please contact us using the details below.
For inquiries regarding the fan club, please click here
For inquiries regarding appearance requests, interview requests, etc., please click here