Yes, having an active data connection from eSIMFlyer is essential for managing your train travel with SNCB in Belgium. The SNCB app allows you to purchase, store, and display your digital tickets directly from your smartphone. This means you can buy last-minute tickets, check schedules, and present your QR code to conductors without hassle. Avoid potential fines or delays by ensuring you have continuous connectivity for all your intercity journeys across Belgium, from Ghent to Bruges.
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Do I need mobile data to manage SNCB train tickets in Belgium?
Updated April 22, 2026
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