One of the worst phone that I have used in my entire life was coolpad cool1, I don’t know about other phone they produce but this particular phone has very poor build quality and poor service even there only few service center here in trivandrum from the 2nd minth itself battery problem has been started and to me the life span of this phone is just 5months. In a small crash the while toch and display has been broken even the backpanel poor quality body