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Is mobile data required for YouBike rentals in Taiwan with CoreESIM?

Updated April 22, 2026

Yes, an active data connection is fundamental for utilizing the YouBike 2.0 system across Taiwan. The official application, which facilitates bike registration, unlocking, and payment, requires real-time network access. Whether you're navigating the urban sprawl of Taipei or exploring the cultural sites of Tainan, your CoreESIM ensures continuous connectivity for a seamless rental experience. Without data, the app cannot communicate with the rental stations, rendering the service inaccessible.

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