For most solo or duo travelers to Osaka, an eSIM like Cellesim is more convenient than a Pocket Wi-Fi. An eSIM means one less device to carry, charge, or return, and it ensures your phone always has data. Pocket Wi-Fi can be useful for larger groups, but an eSIM offers personal freedom and simplicity.
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Is an eSIM better than renting a Pocket Wi-Fi for Osaka travel?
Updated July 22, 2026
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