col-l29 dead after downgrade in update mode to oreo

[Steve-1]

hi

please correct way to revive this set with huawei id dead after downgrade now no fastboot not power on , detected as Android Sooner Single ADB Interface or via tp usb com 1.0

Device detected:
COM168: HUAWEI USB COM 1.0 (COM168)
BOOTLOADER File to update: Kirin970_T2_A8.1_V5
OEM File to update: COL-L29
8-11-2019 21:15:46 Starting to write device...

Process identifier:20245339


Writing bootloader...
Step 1...
Step 2...
Step 3...

Waiting for device REMOVAL/INSERTION...

Waiting for fastboot device...

USB Device REMOVAL
Type: @oem125.inf,%qcomdevice00%;HUAWEI USB COM 1.0
VidPid: VID_12D1&PID_3609
Instance id: 6&23979e4&0&6


USB Device INSERTION
Type: @oem38.inf,%hwfastboot%;Android Sooner Single ADB Interface
VidPid: VID_18D1&PID_D00D
Instance id: 9YEDU18413038007

Device found: 9YEDU18413038007


Looking for a device in fastboot mode
Device found: 9YEDU18413038007


Getting IMEI...
Getting build number...
Getting model ...
Getting battery state...
Getting backdoor info...
Getting lock state info...
Getting lock boot info...

SN:9YEDU18413038007
IMEI:868288030041000
IMEI1:868288030045704
MEID:00000000000000
Build number: :COL-L29 8.1.0.121D(EUC652)
Model: COL-L29
Vendor/Country: Vendor/Country: hw/eu
Battery state: 0
OEM lock state info:
FB LockState: UNLOCKED
USER LockState: LOCKED
OEM get bootinfo:
unlocked

Writing OEMINFO partition
OEMINFO partition update ...OK
Software written
8-11-2019 21:16:30 Writing device finished OK


************************************************** ***********


Looking for a device in upgrade mode
No devices detected in upgrade mode
Device found: 9YEDU18413038007

Detecting recovery partition
File size: 5,064,767,992 bytes
Current version(CURVER): COL_C999_B000_Xloader
ERECOVERY_KERNEL partition found
ERECOVERY_RAMDISK partition found
ERECOVERY_VENDOR partition found

8-11-2019 21:24:44 Starting to try Rescue Recovery...


Looking for a device in fastboot mode
Device found: 9YEDU18413038007


Getting IMEI...
Getting build number...
Getting model ...
Getting battery state...
Getting backdoor info...
Getting lock state info...
Getting lock boot info...

SN:9YEDU18413038007
IMEI:868288030041000
IMEI1:868288030045704
MEID:00000000000000
Build number: :COL-L29 8.1.0.121D(EUC652)
Model: COL-L29
Vendor/Country: Vendor/Country: hw/eu
Battery state: 0
OEM lock state info:
FB LockState: UNLOCKED
USER LockState: LOCKED
OEM get bootinfo:
unlocked


Process identifier:20245593

Getting build number...
Getting base version...
Getting cust version...
Getting preload version...

Erasing ver .. .
File size: 5,064,767,992 bytes
Current version(CURVER): COL_C999_B000_Xloader
Writing rescue_recovery_kernel partition
RESCUE_RECOVERY_KERNEL partition update ...OK
Writing rescue_recovery_ramdisk partition
RESCUE_RECOVERY_RAMDISK partition update ...OK
Writing rescue_recovery_vendor partition
RESCUE_RECOVERY_VENDOR partition update ...OK

USB Device REMOVAL
Type: @oem38.inf,%hwfastboot%;Android Sooner Single ADB Interface
VidPid: VID_18D1&PID_D00D
Instance id: 9YEDU18413038007

Looking for device in upgrade mode...
Process was cancelled by user

Cannot enter in Recovey mode

[Valdemaras]

We do not have ways to downgrade it, there isn't even downgrade board for this model.

[Steve-1]

i revived it by flash bored software in other tool and now its in version 8.1.120 do you have any ways to repair imei ?