While some public Wi-Fi is available in Osaka at major train stations and certain cafes, it's often less secure and can be unreliable or slow, especially in crowded tourist areas. An eSIM provides consistent, secure, and fast personal internet access wherever you go, from Universal Studios Japan to local eateries.
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Can I rely on free public Wi-Fi in Osaka, or is an eSIM better?
Updated May 30, 2026
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