Is mobile data required for OBB train ticket management in Austria when using DataESIM?

Yes, an active data connection via DataESIM is critical for managing your ÖBB train tickets in Austria. The official ÖBB Scotty app, widely used for purchasing and displaying digital tickets, requires real-time connectivity for validation, especially when boarding. Relying on offline screenshots may lead to complications with conductors. DataESIM ensures uninterrupted access to your tickets, real-time schedule updates, and platform information across the Austrian rail network, from Vienna to Innsbruck.