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data japanMineo — 20GB data and data-and-voice plans available. Monthly SMS costs depend on the chosen carrier. With some of these mobile network providers, it may beGSky currently offers seven eSIM data plans for Japan. The five fixed data plans range from a free 100MB, 7-day option to 10GB for 30 days. The two unlimited options include 7- and 15-day plans. In addition to the Japan