Is data connectivity from CoreESIM required for the PID Lítačka transport application in Czechia?

Yes, an active internet connection provided by CoreESIM is required to fully utilize the official PID Lítačka application for public transport in Prague, Czechia. While the app may store some data offline, purchasing, activating, and validating tickets in real-time, as well as accessing up-to-date schedules and route information, all depend on a live data connection. This ensures compliance with ticket validation requirements and facilitates smooth navigation of the city's extensive public transport network.