Generally yes! Your EastESIM will provide excellent 4G/5G signal for most of your journey on Japan's high-speed Shinkansen bullet trains, such as the Tokaido line connecting Tokyo and Kyoto. You'll be able to stream, work, or stay connected while admiring the passing landscapes, including glimpses of Mount Fuji. While there might be brief, momentary signal drops when passing through some tunnels or very remote areas, EastESIM's robust local carrier partnerships ensure consistent and reliable connectivity for nearly the entire ride, keeping you productive and entertained.
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Will I have internet on the Shinkansen bullet train between Tokyo and Kyoto in Japan?
Updated April 22, 2026
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