Iphone 11 Pro MAX

I am looking for firmware for a copy of Iphone 11 PRO MAX percent MT6572 Board revision 2017/12/22 A7298DG_MB_V1.0. I requested from IPHONE X this revision of the board 2017/08/28 A7298D_MB_V1.0, the display does not turn on. Display version FPS-DT60021A-V0