Please check the contents of [1] to [8] below.

[1] Typing error
Please make sure there are no typos in upper/lower case, half-width/full-width characters.
Uppercase: DXTEEN, E
Lowercase: dxteen, e
Half-width: DXTEEN, dxteen, E, e@, 123
Full-width: DXTEEN, dxteen, E, e, @, 123

[2] When logging in with Plus member ID (former: EMTG ID)
Please be sure to include the first letter "E".
※ Check Plus member ID» here

[3] When logging in with an email address
Your login ID is the [email address you used when you registered as a member].
If you have multiple email addresses, try the one you remember.
example)
icloud.com, gmail.com, softbank.ne.jp, i.softbank.jp
ezweb.ne.jp, au.com, yahoo.co.jp, yahoo.ne.jp

*If you change your email address
If you have not changed your email address on My Page, please enter the [email address you used when registering as a member].
Even if you cannot receive e-mails due to model change, etc., it is still valid as a "login ID".

[4] The password may be incorrect.
At the bottom of the login screen »for those who have forgotten their password  Please try logging in with a newer password.
* Single-byte alphanumeric characters/up to 12 digits can be set
*If you do not receive the reset email, please make sure that you can receive the "plusmember.jp" domain.

[5] When returning to the top page
If cookies are disabled in your browser, this website will not work properly, so be sure to enable the settings.
*Recommended environment» here Please confirm.

[6] Monthly Membership Fee Course
Only those who have continued to pay monthly membership fees can log in.
Please check your billing statements to see if your monthly payments have continued with credit card payments or mobile carrier billing.
*If you have not been billed, your membership will be cancelled, so please join as a new member.

[7] Monthly Membership Fee Bundle Payment Course
If you have not paid the continuation fee within one year, your membership will be cancelled, so please join as a new member.

[8] Site (login page) difference
Please access the registered site.
»Click here to log in to DXTEEN OFFICIAL FANCLUB

★ If the above does not solve the problem

Please contact us by email below.

＞＞Inquiries about login failure [here]

*Depending on your environment, the email link above may not open.
this Inquiry form Please contact us.

<subject>
Inquiries about login failure

<Text>
【Customer Information】
・Name (Kanji/Kana)
・Your nickname
・Date of birth (8 digits in Western calendar notation)
·prefectures
·Your phone number

[Payment information]
・Registered course [Monthly Membership Fee Course /Bulk payment course]
・ Membership fee payment method [credit card payment / carrier payment / convenience store payment]
・For carrier payment: [mobile company/payment information]*

【detail】
tried to login
・ Plus member ID starting with E
·mail address
・Entered password (number of digits)
・Entered password (first/last character)
・The displayed error message
==========

▼In the case of docomo payment
Please let us know your [12-digit payment number].
dmenu »My docomo»Login»Enter network PIN»Confirm PIN»Usage charges»Confirm details»Related menu»Confirm docomo payment/d payment usage charges

▼For au Easy Payment
Please let us know your [recurring billing ID].
Log in from au ID TOP» au Easy Payment Menu » [List of continuous use services] » "Recurring billing ID"
* Please access the au ID site with a browser, not with the app.
* You cannot search by "payment information number" or "terminal phone number".
»See here.

▼Softbank Collective Payment/Y!mobile Collective Payment
Please let us know your [order number].