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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Is mobile data required for YouBike rentals in Taiwan with CoreESIM?
Updated April 22, 2026
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