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I would like to know how to check the PIN unlock code (PUK code) if I have lost my SIM card mount

You can check the unlock code on My au (Web) or at a shop.

Alternatively, you can request the issuance of a document containing the unlock code by mail.

For details, please refer to the information below.

Check via My au (Web)

You can confirm by following the steps on this page.

If you are using a locked mobile phone, please do the following before proceeding to the next step.

  • You can only check this if you have completed two-step verification on My au (Web).

If you are unable to proceed with the steps below, please contact a shop or our au Chat Support.

For Android smartphones (when using SIM card)

Remove the SIM card and connect to Wi-Fi.

For Android smartphones (when using eSIM)

Tap on "Disable eSIM" [ESIMを無効にする] displayed on your smartphone, and connect to Wi-Fi.

  • The screen display may vary depending on the model.

For iPhone (both SIM card and eSIM)

There is no need to remove the SIM card. On the PUK code entry screen, tap "Cancel" [キャンセル] and connect to Wi-Fi.

Check at the shop

The contract holder can visit a nearby au Style, au shop, or UQ spot to receive the unlock code.

Please bring your identity verification document and mobile phone.

Issuance (by mail) via au Chat Support

We will send you a document containing the PIN unlock code (PUK code) by mail.

If you wish to request this, please contact the following.

  • If you are in a hurry, please check My au (Web) or complete the procedure at your nearest shop.

Contact us

Business Hours

AI: Available 24/7, all year round

(Online Advisor: 10:00 a.m. to 7:00 p.m.)

Steps

  • 1
  • 2

    Tap on "Smartphone / Mobile Phone" [スマートフォン・携帯電話].

  • 3

    Tap on "Contract details/Procedure" [ご契約内容/手続き].

  • 4

    Tap on "Customer Registration Information" [お客様登録情報] .

  • 5

    Tap on "Confirm"[確認] for "PIN Unlock Code" (PUK CODE).

  • 6

    The PIN Unlock Code (PUK CODE) will be displayed, so please check it.

  • All of the indicated amounts exclude tax unless otherwise specified.