to exchangeverb
To bring back something bought and get something else instead.
returnverb
To give something back to the person you got it from.
receiptnoun
A small slip of paper as proof that you paid money.
zurückgebenreturn
Can I return the kettle even without a receipt?
Quittungreceipt
Unfortunately, I don't have the receipt with me anymore.
umtauschento exchange
Could I maybe exchange the device for a new one?