SHA512 (arm64mbr.img) = 4b81aaf7047aee3722b0f4f9eccab752712e7a7f8770aea8b82a9877244d30a701e536b0cce7a36c46d88b7e9aaea9e94e60c2d2d1ac6d61d4b7bfb4c79f3f83