MATE 10 PRO BLA-L29 Downgrade for FRP - Successfull

[monsterkali666]

Checking fastboot device.....OK
Reading info.....OK
Device Model: BLA-L29
Device Firmware: :BLA-L29 9.1.0.345(C432E6R1P12)
Device FB Lock: LOCKED
Device USER Lock: LOCKED
Device Lock: locked
Checking needed files.....OK
Writing image 1.....OK
Writing image 2.....OK
Writing image 3.....OK
Switching to upgrade mode.....1OK
Waiting for Upgrade Mode port.....OK
Connecting to device.....OK
Start processing file [UPDATE.APP] 4,31 GB:
Firmware version: BLA_Global-CUST 9.0.0(C999)_xloader
Flashing [sha256rsa.img].....OK
Flashing [crc.img].....OK
Flashing [curver.img].....OK
Flashing [verlist.img].....OK
Flashing [package_type.img].....OK
Flashing [hisiufs_gpt.img].....OK
Flashing [xloader.img].....OK
Flashing [fastboot.img].....OK
Flashing [dts.img].....OK
Flashing [dto.img].....OK
Flashing [vector.img].....OK
Flashing [fw_lpm3.img].....OK
Flashing [hhee.img].....OK
Flashing [teeos.img].....OK
Flashing [trustfirmware.img].....OK
Flashing [sensorhub.img].....OK
Flashing [fw_hifi.img].....OK
Flashing [kernel.img].....OK
Flashing [vbmeta.img].....OK
Flashing [modemnvm_update.img].....OK
Flashing [modemnvm_cust.img].....OK
Flashing [recovery_ramdisk.img].....OK
Flashing [recovery_vendor.img].....OK
Flashing [recovery_vbmeta.img].....OK
Flashing [eng_vendor.img].....OK
Flashing [eng_system.img].....OK
Flashing [hdcp.img].....OK
Flashing [cache.img].....OK
Flashing [system.img].....OK
Flashing [cust.img].....OK
Flashing [isp_firmware.img].....OK
Flashing [modem_fw.img].....OK
Flashing [hisee_img.img].....OK
Flashing [hisee_fs.img].....OK
Flashing [vendor.img].....OK
Flashing [version.img].....OK
Flashing [odm.img].....OK
Flashing [product.img].....OK
Flashing [preas.img].....OK
Flashing [preavs.img].....OK
Flashing [preload.img].....OK
Flashing [erecovery_kernel.img].....OK
Flashing [erecovery_vendor.img].....OK
Flashing [erecovery_ramdisk.img].....OK
Flashing [erecovery_vbmeta.img].....OK
Flashing [userdata.img].....OK
Flashing [ufsfw.img].....OK
Flashing [patch.img].....OK
Rebooting device.....OK
Operation {Flash APP Firmware} ID: 2DB9600BB27E2061
Elapsed time 10:08 -- Version 2.4

After flash, wiped data and selected safe mode.
Factory reset,DONE
Thanks EFT Team