Service not authorized, Pls contact the dealer 

Usually we will activate your MAC number after shipment, when you get the box with such message, please don't worry. 

1.pls send us the order number and picture of  screen,we will activate the service .

2.After activated, If the message is still on the screen,maybe the MAC number is not identical with our system, pls send us photo of the MAC number under the box,we will check and fix for you soon.

That is only for new arrival box 

It can't fix with old box . pls understand .