Huawei P8 (GRA-L09) Dead Need Board software [Help]

Huawei P8 (GRA-L09) Dead Need Board software .

I try GRA-TL00_M01A060_Board Software_general_Android 5.0_EMUI 3.1 file but show error .
So please upload in support area. or supporter please help me
its just detect in Huawei USB COM 1.0