Samsung is a huge brand mobile and other accesories company it gives 100% result to the seller and buyer. samsung tests its products continuesly to every model, it cheks every defect which is very small or big . I am very impressed by the customer service because customer service is awesome. I have a TV in my house of samsung brand it was not working so we call the service center they come in 25 min at home and they take that TV to their service point and they return in 2 hr WOOOW.