P40 lite 5g downgraded successfully 12>10 and "chip damaged" repaired

[jawad8305]

after failing to repair "chip is damaged" on EMUI 12 ,now its repaired

SigmaKey v.2.44.00
170119516 Sigma dongle 2.44, Initializing...OK
Pack 1: Not activated
Pack 2: Activated
Pack 3: Activated
Pack 4: Activated
Pack 5: Activated
--------- 2022-04-29 18:30:45 ---------
SigmaKey 2.44.00 HiSi: Write firmware
HUAWEI USB COM 1.0 (COM7), Provider: HUAWEI Incorporated, Driver ver.: 2.0.6.725, Date: 10/08/2014, USB\VID_12D1&PID_3609&REV_0100
HiSilicon: Kirin 820/985 (boot 3)
Phone model: CDY-NX9A
Version: CDY-N29 12.0.0.272(C432E4R2P3)
Wrong selection of firmware files can damage the phone.
Are you sure you want to proceed? [YES]
Flash file K:\HUAWEI\CDY-NX9A 10.1.1.285(C432E2R4P1)\CDY-NX9A 10.1.1.285(C432E2R4P1)\dload\PTABLE.APP
Phone model: CDY-NX9A
Version: CDY-N29 12.0.0.272(C432E4R2P3)
Writing flash ptable...OK
Writing flash...Done
Flash file K:\HUAWEI\CDY-NX9A 10.1.1.285(C432E2R4P1)\CDY-NX9A 10.1.1.285(C432E2R4P1)\dload\CDY-N29_hw_eu\update_sd_cust_CDY-N29_hw_eu\PTABLE.APP
Writing flash...Skipped
Flash file K:\HUAWEI\CDY-NX9A 10.1.1.285(C432E2R4P1)\CDY-NX9A 10.1.1.285(C432E2R4P1)\dload\CDY-N29_hw_eu\update_sd_preload_CDY-N29_hw_eu_R4\PTABLE.APP
Writing flash...Skipped
Flash file K:\HUAWEI\CDY-NX9A 10.1.1.285(C432E2R4P1)\CDY-NX9A 10.1.1.285(C432E2R4P1)\dload\UPDATE.APP
Writing flash ptable...OK
Writing flash xloader...OK
Writing flash fastboot...OK
Writing flash bl2...OK
Writing flash boot...OK
Writing flash dtbo...OK
Writing flash vector...OK
Writing flash fw_lpm3...OK
Writing flash hhee...OK
Writing flash vbmeta...OK
Writing flash teeos...OK
Writing flash trustfirmware...OK
Writing flash sensorhub...OK
Writing flash fw_hifi...OK
Writing flash modemnvm_update...OK
Writing flash modemnvm_cust...OK
Writing flash recovery...OK
Writing flash recovery_ramdisk...OK
Writing flash recovery_vendor...OK
Writing flash recovery_vbmeta...OK
Writing flash preas.0...OK
Writing flash preavs.0...OK
Writing flash erecovery...OK
Writing flash erecovery_ramdisk...OK
Writing flash erecovery_vendor...OK
Writing flash erecovery_vbmeta...OK
Writing flash eng_vendor...OK
Writing flash eng_system...OK
Writing flash cache.0...OK
Writing flash ramdisk...OK
Writing flash super.0...OK
Writing flash super.1...OK
Writing flash super.2...OK
Writing flash super.3...OK
Writing flash super.4...OK
Writing flash super.5...OK
Writing flash super.6...OK
Writing flash super.7...OK
Writing flash super.8...OK
Writing flash super.9...OK
Writing flash super.10...OK
Writing flash metadata...OK
Writing flash vbmeta_system...OK
Writing flash vbmeta_vendor...OK
Writing flash vbmeta_odm...OK
Writing flash vbmeta_hw_product...OK
Writing flash vbmeta_cust...OK
Writing flash isp_firmware...OK
Writing flash modem_fw...OK
Writing flash npu...OK
Writing flash userdata.0...OK
Writing flash version.0...OK
Writing flash preload.0...OK
Writing flash patch.0...OK
Writing flash kpatch...OK
Writing flash modem_driver...OK
Writing flash...Done
Flash file K:\HUAWEI\CDY-NX9A 10.1.1.285(C432E2R4P1)\CDY-NX9A 10.1.1.285(C432E2R4P1)\dload\CDY-N29_hw_eu\update_sd_cust_CDY-N29_hw_eu\UPDATE.APP
Writing flash version.0...OK
Writing flash...Done
Flash file K:\HUAWEI\CDY-NX9A 10.1.1.285(C432E2R4P1)\CDY-NX9A 10.1.1.285(C432E2R4P1)\dload\CDY-N29_hw_eu\update_sd_preload_CDY-N29_hw_eu_R4\UPDATE.APP
Writing flash preload.0...OK
Writing flash preload.1...OK
Writing flash...Done

[dadaps43]

please may u upoad a video how to do it downgrade 12 to 10
thanks

[Gsmserver]

Originally Posted by dadaps43

please may u upoad a video how to do it downgrade 12 to 10
thanks

Write original Update.app files using SW or HW testpoint
I suggest creating a backup of firmware before downgrading

[jawad8305]

Originally Posted by dadaps43

please may u upoad a video how to do it downgrade 12 to 10
thanks

follow this video
shorturl.at/fwxOS