Error when flashing a dead bricked p10

after using TESTMODE

11/26/2017 2:07:45 PM Starting to write device in FASTBOOT mode...
File to update: VTR-AL00A_HLVTRAL00M00A039_Factory_firmware_China_Nons pecific_Android_7.0_EMUI_5.1_05022AVG_testpoint.dg tks
Device detected:
COM81: HUAWEI USB COM 1.0 (COM81)

Writing bootloader...
Writing VTR-AL00A_HLVTRAL00M00A039_Factory_firmware_China_Nons pecific_Android_7.0_EMUI_5.1_05022AVG_testpoint_4. dtwork...
Writing VTR-AL00A_HLVTRAL00M00A039_Factory_firmware_China_Nons pecific_Android_7.0_EMUI_5.1_05022AVG_testpoint_5. dtwork...
Error writing Bootloader
11/26/2017 2:08:07 PM Writing device finished - INCOMPLETE