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Store Locator

Items to prepare for Rate plan change

Rate plan change

Model changes

New contract

MNP

The following is a guide to the procedures for changing the rate plan.

How and where to apply

PC/Smartphone ^*1

au Style / au shop

Telephone

*1 Depending on your contract status, you may not be able to complete the procedure online.

PC/Smartphone

Apply online 24 hours a day,
365 days a year!

Click here to proceed (My au) (in Japanese only)

au Style / au shop

Applications are accepted at any au Style / au shop.

Store Locator

Identification documents for subscriber

Make sure to bring the original documents.
(Driver's license, passport, etc.)

The personal identification document must include your name, date of birth, and current address, and it must be valid and within the expiry date.
You may be asked to present additional personal identification documents even if you present one of the personal identification documents below.
If the name on the new contract is different from that of the user, such as when a child applies to use an au mobile phone under the name of a parent, check the link below for details.

User Registration System (in Japanese only)
If you wish to transfer ownership or change the user of a prepaid service, only a personal identification document with a photo will be accepted.
For customers without Japanese nationality who have a limited period of stay in Japan, a document verifying your period of stay and a credit card are required when applying for the Personal Credit Agreement. If the period of stay is shorter than the installment payment period, you may not be able to apply for the Personal Credit Agreement.

Subscriber	Identification documents for subscriber
Individual	Driver's license (Must be issued by Public Safety Commission. International driver's licenses are not accepted.)
	Passport (Japanese) Supplementary documents are required when presenting a passport without the "Information on Bearer" page (those issued after February 2020).
	Physical Disability Certificate or Rehabilitation Certificate or Mental Disability Certificate
	Special Permanent Resident Certificate
	Residence card (If there are less than 90 days remaining in the period of stay, a credit card in the name of the person on the contract must be used as the payment method for monthly charges. If the address is not specified on the front of the card (it is printed on the back of the card after it was issued), one of the supplementary documents listed below is required separately to verify the address.) + Foreign passport
	Individual Number Card (My Number Card) (au does not obtain or save your individual number. Individual Number (My Number) Notification Cards are not accepted.)
	Basic Resident Register Card (Only those with a photo are accepted.)
	Health insurance card As of June 1, 2023, no longer accepted as an identification document except for "minors under 18 years of age". (au does not obtain or save your insurer number, insurance code, or insurance ID number.)
Minor	Personal identification document listed above (Health insurance card + student ID are accepted. If the user is of elementary school age or younger, a health insurance card alone is acceptable.) + Parental consent form and filtering service application (The form must be filled out and stamped by a parent or legal guardian.) + Personal identification document of parent or legal guardian (The same personal identification documents for individuals listed above are accepted. However, a foreign passport is not required for persons with a residence card.) Minors must be accompanied by a parent or legal guardian when applying at the store. If the contract is for a person of elementary school age or younger, the contract will be in the name of the parent or legal guardian. Parental Consent Form and Filtering Service Application (in Japanese only)
Business	Certified copy of register or seal registration certificate (Within 3 months of effective date) + Personal identification document of person who visits store (The same personal identification documents for individuals listed above are accepted.) + Employee ID or business card

You may be asked to present additional "personal identification documents" even if you presented one of the "personal identification documents" above.

Supplementary documents

Have one of the supplementary documents listed below ready to present along with the required personal identification documents in the following cases:

When your current address is different from the address listed on your personal identification document.
When a Basic Resident Register Card or health insurance card is presented and the monthly charges are paid by a means other than a credit card in the name of the contract holder.

Supplementary documents	Notes
Utility bill receipt	The receipt must show your current address and must have been issued within the past 3 months (electricity, gas, water, etc.). If you bring a utility bill receipt because your current address is different from the address that is listed on your personal identification document, the name on the utility bill must be your name.
Certificate of Residence	The document must show your current address and must have been issued within the past 3 months. A Certificate of Residence cannot be used as a supplementary document when a Basic Resident Register Card is presented as personal identification.
Student ID	The ID must show your name and date of birth, and it must be valid and within the expiry date (only accepted in the case of a contract for a minor).

Telephone

Inquiries by Phone

Select your language.

0120-959-472 (toll-free)

0120-959-472
(toll-free)

Open: 9:00 – 20:00 ^*1

*1 For lost or stolen phone, inquiry will be accepted 24 hours.

Notes

When changing the rate plan multiple times within the same month, a fee of ¥1,100 (tax included) will be charged for the third and subsequent changes.
You can choose whether to apply the new rate plan starting from the current day or from the next month.
If you choose to apply the new rate plan starting from the current day, the change will appear in the billing statement for the next month.
If you choose to apply the new rate plan starting from the next month, the change will appear in the billing statement after two months.
If you complete the procedure online (My au) after 8:00 PM, the new plan will be applied starting from the next day, even if you choose to start the new plan from the current day.
If you complete the procedure online (My au) during the last two days of the month, the new plan may be applied starting from the second month after the month in which the procedure is completed.

Digital Guide in other languages

Mobile phone service guide

Our Service Guide for you.
Available in Japanese, English, Chinese and Portuguese.

For details

All of the indicated amounts include tax unless otherwise specified.

Items to prepare for Rate plan change

How and where to apply

PC/Smartphone

au Style / au shop

Items required for application

Supplementary documents

Telephone

Inquiries by Phone

Notes

Digital Guide in other languages

Mobile phone service guide