Do I need SouthESIM data for SNCB train tickets in Belgium?

Yes, having your SouthESIM data active is incredibly helpful for train travel in Belgium! You'll need an internet connection to purchase and display your digital tickets through the official SNCB app. This is the most convenient way to manage your journeys and avoid potential fines, especially when zipping between cities like Brussels, Bruges, or Antwerp. Stay smart and connected for a smooth train experience across Belgium.