got tool today i try to remove mi acount on MI mix3 but failed what to do?

Hi team i have MI MIX3 mi account lock try to remove but failed any solutions?

Code:

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Hydra Qualcomm Tool  Ver 1.0.1 Build 23
Windows 10 (Version 10.0, Build 17134, 32-bit Edition)
******* Dongle Info *******
Version    : Hydra Tool v 1.1
Serial    : 190600001198
Initialize : OKAY
Status    : Activated
 
Selected Comport : Auto
Selected Loader  : Auto

Searching Qualcomm 9008 Port[FOUND](COM60)
Getting device info.......
Serial No.: 0xE9E1D71E
MSM ID    : 0x0008B0E1
PBL Ver  : 00000002
PK HASH  : C924A35F39CE1CDD1B8D5A9F3B8E3C51317930431D7A9DD5A55028CF6965FE65
 
Sending Firehose Loader[prog_ufs_firehose_sdm845_ddr.elf]Failed
Elapsed Time : 00:00:04

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thanks