Philips electric toothbrush warranty activation download the Philips app. Then select the product you want to inquire about and check the product's warranty policy, time and terms. The Philips toothbrush warranty is two years. The warranty card says that as long as you register your toothbrush on the official website, the warranty can be extended for six months. You need to pay attention to this detail. Friends who are using Philips toothbrushes can check whether their warranty card has an extension printed on it. For the half-year warranty, try to complete the registration within the limited time.