Switch to au from UQ or another carrier in two easy steps! You can keep using the same phone number as before.
Before purchasing a new device, you need to transfer the data from your current device.
<If you are using the "Electronic Certificate Function for Smartphones" for your My Number Card>
If you are currently using an electronic certificate for smartphones on your device, you will have to go through the cancellation procedure (this procedure involves the deletion of the electronic certificate data) before you switch over to a new phone. Before initializing your device, please go through the necessary procedure, which you can access from your personal page on the Mynaportal app.
If you have any questions about the electronic certificate for smartphones, please call the My Number General Information Desk toll-free at 0120-95-0178 on weekdays from 9:30 a.m. to 8:00 p.m. or on weekends and holidays from 9:30 a.m. to 5:30 p.m.
An MNP reservation number is not required when switching to au from UQ mobile (number transfer).
NTT docomo (including Disney Mobile) | |
PC website |
|
Telephone | From a mobile phone: 151 From a fixed phone: 0120-800-000
Business hours: 9:00 - 20:00 |
SoftBank | |
PC website | SoftBank website → モバイル (Mobile) → サポート (Support) → 料金・ご契約関連 (Fees/Contract Information) → ご契約内容の確認・変更 (Check/Change Contract Details) |
Yahoo! Keitai ver | TOP → My Softbank → 各種変更手続き (Procedures for various changes) →
Business hours: 9:00 - 21:30 |
Telephone | From a mobile phone: *5533 From a fixed phone: 0800-100-5533
Business hours (free of charge): 9:00 - 20:00 |
Y!mobile | |
PC website | TOP (https://my.ymobile.jp/muc/d/top) → My Y!mobile (Login) → 契約内容の確認・変更 (Check/Change Contract Details) → 携帯電話番号ポータビリティ (MNP) 予約関連手続き (MNP Reservation Procedure)
Business hours: 9:00 - 21:30 |
Telephone | From a mobile phone: 116 From a fixed phone: 0120-921-156
Business hours: 9:00 - 20:00 |
≪Notes on using MNP≫
Once MNP is implemented, the contract with your current mobile phone carrier will be canceled and your new contract with the mobile phone carrier that you switched to will start.
Accordingly, please note the following points:
Check below for details on how to apply through the au Online Shop. However, note that business customers and subscribers who are minors cannot apply through the au Online Shop and should instead apply at the nearest store carrying au products.
Adult subscribers can apply through the au Online Shop.
When applying through the au Online Shop, the user will need to provide one of the personal identification documents described on the page below.
In addition, paying by credit card is the only available payment method.
Applications for new contracts are accepted at any au Style / au shop or store carrying au products. The person whose name will appear on the contract must be present at the store when signing up.
If you come alone, you may be asked to call a family member from the store for verification.
Select your language.
Open: 9:00 – 20:00 *1
*1 For lost or stolen phone, inquiry will be accepted 24 hours.