Hello i have buy LT+ unlocked pcb from ebay to replace my 16D5S pcb to play burned dvd's on my xbox 360 , i dont need live because i only use cd's is for that i buy this cheap lt+ unlokced pcb , but now is impossible to put my key into the LTplus firmware ( i already extrac with RGH) i see on internet that to be possible must be only on RGH to desable FCRT check so on retail is impossible ? is true !!!