| I same problem for downgrade 9 to 8
state fastboot with black screen
Use Kirin970_T2_A8 V3
Kirin970_T2_A8 V5
Device detected:
COM39: HUAWEI USB COM 1.0 (COM39)
BOOTLOADER File to update: Kirin970_T2_A8.1_V5
OEM File to update: BLA-L09
26/07/2019 08:30:19 p.m. Starting to write device...
Process identifier:4560021
Writing bootloader...
Writing Kirin970_T2_A8.1_V5_3.dtwork...
Writing Kirin970_T2_A8.1_V5_4.dtwork...
Writing Kirin970_T2_A8.1_V5_5.dtwork...
Waiting for fastboot device...
Device found: 0123456789ABCDEF
Looking for a device in fastboot mode
Device found: 0123456789ABCDEF
Getting IMEI...
Getting build number...
Getting model ...
Getting battery state...
Getting backdoor info...
Getting lock state info...
Getting lock boot info...
IMEI:866218030143102
IMEI1:866218030143102
MEID:A000007FAB614F
Build number: :BLA-L09 8.0.0.112(C652)
Model: BLA-L09
Battery state: 2906mv
OEM lock state info:
FB LockState: UNLOCKED
USER LockState: LOCKED
OEM get bootinfo:
unlocked
Writing OEMINFO partition
OEMINFO partition UPDATE ...OK
Software written
26/07/2019 08:31:11 p.m. Writing device finished OK
Getting IMEI...
Getting build number...
Getting model ...
Getting battery state...
Getting backdoor info...
Getting lock state info...
Getting lock boot info...
IMEI:866218030143102
IMEI1:866218030143102
MEID:A000007FAB614F
Build number: :BLA-L09 8.0.0.112(C652)
Model: BLA-L09
Battery state: 2946mv
OEM lock state info:
FB LockState: UNLOCKED
USER LockState: LOCKED
OEM get bootinfo:
unlocked
Device with unsupported security patch
Process identifier:4560037
Writing XLOADER partition
XLOADER partition UPDATE ...OK
Writing FASTBOOT partition
FASTBOOT partition UPDATE ...OK
Writing DTS partition
DTS partition UPDATE :FAIL partition error
Device with unsupported security patch
26/07/2019 08:41:12 p.m. Writing device finished - INCOMPLETE |