Huawei Y9 2019 JKM-LX1 9.1.0.256 downgrade done

[profkefah]

Checking fastboot device.....OK
Reading info.....OK
Device Model: JKM-LX1
Device Firmware: :JKM-LX1 9.1.0.256(C185E1R2P1)
Base Firmware: :JKM-LGRP2-OVS 9.1.0.256
Custom Firmware: :JKM-LX1-CUST 9.0.1.1(C185)
Preload Firmware: :JKM-LX1-PRELOAD 9.1.0.1(C185R2)
Device FB Lock: LOCKED
Device USER Lock: LOCKED
Device Lock: locked
Operation {Read info} ID: E5B692170D2CDE27
Elapsed time 00:00 -- Version 3.5.0

Checking fastboot device.....OKReading info.....OK 
Device Model: JKM-LX1 
Device Firmware: :JKM-LX1 9.1.0.256(C185E1R2P1) 
Base Firmware: :JKM-LGRP2-OVS 9.1.0.256 
Custom Firmware: :JKM-LX1-CUST 9.0.1.1(C185) 
Preload Firmware: :JKM-LX1-PRELOAD 9.1.0.1(C185R2) 
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 [D:/New folder (4)/UPDATE.APP] 3,42 GB: 
Firmware version: JKM 9.0.1(OVS) 
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 [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 [userdata.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 [patch.img].....OK 
Rebooting device.....OK 
Operation {Flash APP Firmware} ID: 5E87D1B2F84611C8 
Elapsed time 07:53 -- Version 3.5.0