Customer support details: Mail id - support@beurerindia.com Contact No: 1800-208-8284 Incase of any fault in the device, customer has to submit the device in nearby service centre, then our team confim if the damage is a technical fault or done by the customer end. Then the customer gets a replacement of the similar model, delivered at their doorstep. Invoice copy must be kept for claiming the warranty/guarantee in case of any defect in the product.