If you buy tickets from their website, then, yes, you have to print them. I was told by their customer service that you can print your tickets at the train station for 5 CHF.
But you can also buy tickets at sbb.ch and in that case it is enough to show them on your phone.
Credit:stackoverflow.com‘
5 Mar, 2024
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5 Mar, 2024
5 Mar, 2024