I just bought 4 days pass and got wrong valid date what can I do ?

[Nalumon]

I just bought 4 day pass and got worng valid date , what can I do to change that ? 

[StéphanieB1]

Hello @Nalumon 

You can request a refund online via the contact form on sbb.ch or the SBB Mobile App. You can find help here: Refund of tickets purchased online and via mobile | SBB help & contact

If you have questions about tickets and travelcards you can find answers in our help and contact area: Overview | SBB help & contact

Have a nice day,

Kind regards from Brig,
StéphanieB