Hey! If you happen to receive a defective product, don't worry; we've got you covered! Just drop an email to our friendly customer support team at support@lingoget.com with as much detail about the issue as possible. We'll gladly replace it with a brand new one if it falls under warranty conditions. By the way, if the product you bought is no longer in production, we'll swap it with a newer model of no lesser value! Just bear in mind that you'll need to return the defective item so we can check it for quality purposes.