YAL-AL00 downgrade and chip damaged done with Harmony tp cable!

[Feiselski]

Downgrading damages any type of usb connection!

First flash enable downgrade file from sigma support, the downgrading process might give you headaches because it interrupts many times for no reason so just keep on retrying until it completes flashing,

downgrade firmware

https://androidfilehost.com/?fid=7161016148664799220

--------- 2021-10-19 01:16:42 ---------
SigmaKey 2.41.03b1 HiSi: Write firmware
Wrong selection of firmware files can damage the phone.
Are you sure you want to proceed? [YES]
Flash file C:\Users\Faya\Desktop\yale\update_sd_base\PTABLE.A PP
Phone model: YAL-AL00
Version: YAL-AL00 11.0.0.160(C00E127R4P5)
Writing flash ptable...OK
Writing flash...Done
Flash file C:\Users\Faya\Desktop\yale\update_sd_cust_YAL-AL00_all_cn\PTABLE.APP
Writing flash...Skipped
Flash file C:\Users\Faya\Desktop\yale\update_sd_preload_YAL-AL00_all_cn_R8\PTABLE.APP
Writing flash...Skipped
Flash file C:\Users\Faya\Desktop\yale\update_sd_base\UPDATE.A PP
Writing flash ptable...OK
Writing flash xloader...OK
Writing flash fastboot...OK
Writing flash dts...OK
Writing flash dto...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 kernel...OK
Writing flash modemnvm_update...OK
Writing flash modemnvm_cust...OK
Writing flash modem_driver...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 prets.0...OK
Writing flash pretvs.0...OK
Writing flash erecovery_kernel...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 hdcp...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 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 hisee_img...OK
Writing flash patch.0...OK
Writing flash kpatch...OK
Writing flash userdata.0...OK
Writing flash...Done
Flash file C:\Users\Faya\Desktop\yale\update_sd_cust_YAL-AL00_all_cn\UPDATE.APP
Writing flash version.0...OK
Writing flash...Done
Flash file C:\Users\Faya\Desktop\yale\update_sd_preload_YAL-AL00_all_cn_R8\UPDATE.APP
Writing flash preload.0...OK
Writing flash preload.1...OK
Writing flash preload.2...OK
Writing flash...Done