How to File a Complaint with Docomo

Docomo streaming complaints usually involve Lemino Premium, d account billing, Docomo carrier billing, double-billed amounts, streaming service cancellation, d Payment charges, app-store purchases, account access, privacy requests, or support delays. The strongest complaint starts with the d account ID, Docomo mobile number if relevant, Lemino or streaming service name, billing route, charge date, service term, receipt or Docomo bill, cancellation attempt, support contact, and the exact outcome you want NTT DOCOMO or the billing provider to confirm.

Docomo services can be tied to a d account, a mobile phone line, d Payment, Docomo carrier billing, Lemino Premium, or partner streaming channels. NTT DOCOMO's English support page for mobile subscription cancellation says double-billed amounts will be refunded and explains that some charges can continue after cancellation, including charges already paid when settling the account and charges incurred shortly before cancellation.

Docomo also has an eight-day cancellation procedure for certain mobile subscriptions, with dedicated call center numbers and shop procedures. Streaming complaints should not assume the mobile phone line cancellation rules automatically apply to Lemino Premium or app-store purchases. The complaint should identify the exact service, account, and billing route.

This guide is for organizing a customer complaint. It is not legal advice, payment advice, tax advice, privacy advice, Japanese telecom advice, app-store advice, d account advice, streaming device advice, or a decision about whether NTT DOCOMO, Lemino, Apple, Google, a partner channel, a payment issuer, a privacy authority, or another party must issue a refund, credit, cancellation, account correction, streaming remedy, privacy response, or policy exception.

Best Docomo Complaint Paths

The first step is to identify whether the issue belongs to Lemino, d account, d Payment, carrier billing, mobile line cancellation, or app-store billing.

Step-by-Step: How to File a Docomo Complaint

What to Have Ready Before Contacting Docomo

For billing complaints, lead with d account, service name, billing route, bill, and cancellation date.

Cancellation and Billing Complaints

Docomo streaming-related charges can come through several routes. A Lemino Premium charge through a d account is different from a mobile line cancellation, d Payment transaction, or app-store subscription.

Use this table:

Ask Docomo to identify the billing route and whether the charge belongs to service subscription, mobile line, d Payment, or app-store billing.

Double-Billing and Mobile Line Cancellation Complaints

NTT DOCOMO's English mobile cancellation support says double-billed amounts will be refunded and that some charges can still be billed after cancellation. It also says bank withdrawals can occur because remittance status with banks cannot be verified immediately, and if withdrawn, funds are refunded to the bank account.

Use this table:

Ask Docomo to confirm whether the charge is a valid post-cancellation charge or a double-billed amount eligible for refund.

Lemino, d Account, and Streaming Access Complaints

Lemino complaints should include d account evidence and app/device details. Partner channels or special campaign benefits may have separate rules.

Use this table:

Ask support to separate d account access, billing entitlement, and playback troubleshooting.

Privacy and Account Data Complaints

Privacy complaints should identify the d account, mobile number if relevant, service, and request type. Save bills before deletion or line cancellation.

Use this table:

Keep payment and service records until the complaint is resolved.

When to Escalate Beyond Docomo

Escalation is strongest when d account, service name, billing route, bill, and requested outcome are clear.

What to Say in a Docomo Complaint

Use this script:

"I need NTT DOCOMO to review a complaint for d account [ID] and service [service name]. The issue is [Lemino Premium, d account billing, Docomo carrier billing, double-billed amount, streaming service cancellation, d Payment charge, app-store purchase, account access, privacy request, or support delay]. The relevant details are [mobile number if relevant, billing route, charge date, amount, receipt or bill, cancellation date, double-billing evidence, bank withdrawal, d Payment transaction, app-store receipt, device, app error, support case, or privacy request]. I am requesting [cancellation confirmation, billing route explanation, double-billing refund review, d Payment review, app-store routing, account access help, streaming support, privacy response, or written policy explanation]. Please confirm the decision and next step in writing."

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Frequently Asked Questions