Mi not 5 pro not sucsses

Operation : Reset Mi Account
Checking for existing devices...Not Found
Turn Off phone, hold Vol UP + Vol DOWN and insert USB cable.
Some phones may need Special Boot Cable or TestPoint for EDL mode.
Found Port : HS-USB Diagnostics 9008 (COM5)
Driver Info : Mobile, qcusbser.sys, 2.1.0.3
Connecting to phone...OK
Waiting for response...Ignored
Init Handshake Sequence...OK
Hardware ID : E1C00C00 [8996] 00000000
OPK_DATA : F7337FE47B192EF4D1BA34CB4E879F0C6B771D06D2DE87BF21 F65BA3303834E1
Initializing Protocol...OK
Sending Loader [prog_emmc_firehose_Sdm660_ddr.elf]...Done
Executing Loader...OK
Detecting Chip Type...OK
Hardware : MSM8996, UFS, ERASED GPT
WARNING! High Speed Driver is not installed.
Please install driver from QcFire\Drivers folder using Device Manager.
Payload Info : In: 65536 [4096], Out: 131072, Sector Size: 4096
Reading Partition Table...OK
SYSTEM partition is missing!
Required data not found.Failed
Operation Failed.