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I would like to switch the line for a device/eSIM/SIM card that I contracted through an online shop

You can complete this procedure via the "Order History" [ご注文履歴] page of our online shop or by phone.

If you are upgrading your device, switching from povo1.0, switching from another carrier/povo2.0, or transferring from UQ mobile, you will be able to use the au network by completing the line switching procedure.

Business hours and the procedure required after switching vary depending on the type of SIM (eSIM/SIM card) and the specific procedure required.

For details, please refer to the information below.

Important note

For customers purchasing iPhone 17 series/iPhone Air and switching from iPhone to iPhone, please check the "Easy eSIM Setup" [eSIMかんたん設定] page, which provides a simple summary of the procedure.

Items required for line switching and business hours

Place orders on the "Order History" [ご注文履歴] page

Contract type	Items required	Business hours (*2)
Device upgrade	au ID / password Mobile phone number	0:05～23:55 (all year round)
Switching from UQ mobile	Order number (1) Order History Confirmation Password (1) Mobile phone number you plan to switch	0:05～23:55 (all year round)
MNP	Order number (1) Order History Confirmation Password (1) Mobile phone number you plan to switch	9:00～21:15 (all year round)
Adding a Device (*3)	au ID / password Mobile phone number	6:00～21:50 (all year round)

Your "Order Number" [ご注文番号] and password for checking your order history 「ご注文履歴の確認用パスワード」are included in the "Order Confirmation" [ご注文内容の確認] email.

For customers with reservations, please enter your "Reservation Number" [予約番号] and the password (8-20 half-width alphanumeric characters) you set when making your reservation.
All of the above exclude system maintenance periods.
This applies only when picking up products at Lawson, lockers, or post offices.

Customers with an eSIM contract

Procedure Flow

Switch your line via the "Order History Page" [ご注文履歴ページ] on our online shop or by phone
Download eSIM profile
Delete eSIM profiles used with other carriers (for eligible customers only)
Make a test call

For more detailed instructions on how to switch lines, how to download eSIM profiles, and more, please see below.

Customers with a SIM card contract

Procedure Flow

Switch your line via the "Order History Page" [ご注文履歴ページ] on our online shop or by phone
Turn off the power to both your old device and your new device and wait for about 30 minutes
Insert the SIM card into the new device and turn it on
Set up the access point (for eligible customers only)
Delete eSIM profiles used with other carriers (for eligible customers only)
Make a test call

For more detailed instructions, including how to switch lines, please see below.

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All of the indicated amounts exclude tax unless otherwise specified.