Huawei Y9 2019 JKM-LX1 downgrade done safe mode worked 9.1.0.291

[profkefah]

same method here but difference security version

https://forum.gsmhosting.com/vbb/f10...-done-2805311/

and

https://forum.gsmhosting.com/vbb/f10...orked-2827449/

and


https://forum.gsmhosting.com/vbb/f10...282-a-2858747/

and


https://forum.gsmhosting.com/vbb/f10...224-a-2869723/



Checking fastboot device.....OK
Reading info.....OK
Device Model: JKM-LX1
Device Firmware: :JKM-LX1 9.1.0.291(C185E2R2P1)
Base Firmware: :JKM-LGRP2-OVS 9.1.0.291
Custom Firmware: :JKM-LX1-CUST 9.1.0.2(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: CA610A1DD08190AE
Elapsed time 00:01 -- Version 3.4.2








Checking fastboot device.....OK
Reading info.....OK
Device Model: JKM-LX1
Device Firmware: :JKM-LX1 9.1.0.291(C185E2R2P1)
Base Firmware: :JKM-LGRP2-OVS 9.1.0.291
Custom Firmware: :JKM-LX1-CUST 9.1.0.2(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)/Jackman-L21 9.1.0.220(C185E1R5P1T8)_Firmware_9.0.0_r3_EMUI9.1. 0_05015JMY/Software/dload/update_sd/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: ED022B51B739F851
Elapsed time 08:02 -- Version 3.4.2