For customers with prepaid SIM

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We recommend our "Japan Travel SIM", the prepaid SIM card for data-only.

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・Purchase at airport and electronics retail stores

・Support is available in Japanese, English, and Chinese.

・Valid for 30 days (from activation/last top-up)

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Click here for details

For Customers with our monthly plan

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IIJ Support Center is available in Japanese only.

Please inquire with someone who can speak Japanese.

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IIJ Support Center

https://www.iijmio.jp/contact.html

※who received either of the following notification emails

「[IIJmio]【重要】ご利用料金お振込のお願い / Notification」

「[IIJmio]【重要】サービスの一時停止に関するお知らせ / Notice temporarily suspend your service」

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Click here for details