Need help

i have problem to downgrade Mate10 PRO BLA-AL00. USED BLA-AL00.rar FROM SUPPORT. ANY HELP WILL BE APPRECIATE. THANKS


HERE ARE MY LOGS

Code:

2019-10-28 11:27:59 PM -
2019-10-28 11:27:59 PM - Initializing..
2019-10-28 11:27:59 PM - Selected interface: COM31
2019-10-28 11:28:00 PM - Checking USB driver status...OK
2019-10-28 11:28:00 PM - Plug USB cable
2019-10-28 11:28:00 PM - Connected to USB1
2019-10-28 11:28:00 PM - Device identification...OK
2019-10-28 11:28:01 PM - Writing Boot [1 of...

Need help

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