All the PIPO Tablet come with 12 months warranty and it will be tested by engineer before we send out. What i want to say is that the screen is not contain in the warranty. If you have broken the screen by accident, you can send back and we will repair it for you, but you need to pay the repair cost by yourself. If the tablet do not turn on, it may for the problem of the screen that we need to check after receive it. If it is made by human then you need to pay it or we will repair it for you for free. You can buy the tablet without hesitation at here: