Yes, having an active internet connection from your SouthESIM is essential if you plan to use the official PID Lítačka app for public transport in Prague and the wider Czechia. This app allows you to conveniently purchase and activate your tickets digitally. Without a working internet connection, you won't be able to validate your tickets, so ensure your SouthESIM is ready to keep you moving smoothly around the city.
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Do I need data for the PID Lítačka transport app in Czechia with SouthESIM?
Updated April 22, 2026
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