Mate 10 lite dead

--------- 2019-01-29 04:06:08 ---------
SigmaKey 2.29.17 Qcom: Write firmware
^ Android Sooner Single ADB Interface, Version 0.5, Name: hi6250, Serial number: serialv1.0
(ADB) Writing flash...UPDATE.APP
Firmware: Rhone_Global_EMUI8.0
This operation may brick the phone! Are you sure you want to proceed? [YES]
Writing flash...Done
Restarting phone...OK

write this board software file
RHONES001039_Board Software_general_Android 7.0_EMUI5.1_05022FPB

after write board software and update with update.app file
but still same phone dead.
where is worng