Yes, having mobile data from your SouthESIM will be very beneficial for train travel in Argentina. While some regional trains might still be cash-based, larger city networks, like those around Buenos Aires, often use apps or require online top-ups for smart cards (like the SUBE card). With data, you can check schedules, top up your card, or even purchase tickets digitally, making your journey smoother and helping you avoid queues, especially during peak times.
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Do I need mobile data for train tickets in Argentina with SouthESIM?
Updated April 22, 2026
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