I would like to know how to unlock a SIM
You can unlock your SIM card through My au (Web).
Please see below for detailed instructions.
Important notes
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For SIM unlocking, please be sure to read the conditions and precautions before proceeding.
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If you do not have an au ID, you will need to create one.
- For SIM unlocking of mobile phones without au line contract (including after cancellation & used terminals), the IMEI number will be required.
Steps
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1
If login with au ID is required, log in with your au ID and password.
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2
Select the au phone number you want to proceed, and tap on "Select" [選択].
- If this does not display, proceed to Step 3.
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3
Enter the 4-digit PIN number set at the contract, and tap on "Next" [次へ].
- If this does not display, proceed to Step 4.
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4
Tap on "Device purchased from au" [auで購入した端末]
- For terminals without au line/after cancellation/used terminals/smartphone only purchases, select "Other device" [その他の端末]
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5
The devices whose purchase history can be confirmed, will be displayed in a list.
Put a check on the device you want to unlock the SIM, then tap on "Next" [次へ] and proceed to step7.
- If the target terminal is not displayed in the history, select "Other device" [その他の端末] again and proceed to step 6, enter the IMEI number of the one you want to unlock.
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6
If you selected "Other devices" [その他の端末] in step 5, enter the IMEI of the device you want to unlock and tap on "Next" [次へ].
- If after entering the IMEI and tapping "Next" [次へ] , a message saying, "This device can be viewed in your device purchase history. Please select it from the My au screen." [お客様の端末購入履歴にて照会可能な端末です。My auの画面から選択してください。] please select "Device purchased from au" [auで購入した端末] again.
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7
Select "Cancellation reason" [解除の理由] and "Contact information" [連絡先] from the drop-down menus, then tap on "Apply with these details" [この内容で申し込む].
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8
A temporary registration completion screen will be displayed, and an email will be sent to your contact email address.
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9
Tap on the URL sent in the received email.
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10
This completes the SIM unlock procedure.
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