nova 2 after downgrade from 8.0 error

[riznix]

i have a problem with nova 2, phone was on android 8.0 and i downgraded it with flashing the downgrade file with testpoint, and again flashed the normal vrsion 7.0 in upgrade mode, unlock nova 2 not work in fg pack 7

FlyCaptain Huawei Module v2.0.0.0184 Furious Gold Pack 7
Dongle S/N: 5C485279

Before detection connect cable to usb and enable Manufacture mode !

Qualcomm and HiSilicon: *#*#2846579#*#*
MTK: *#*#14789632#*#*
Windows: ##2846579#

ProjectMenu
1.Background setting
2.USB ports setting
Select Manufacture mode (for MTK other/debug mode)

2020-01-29 10:25:48.386 Autodetect started!
2020-01-29 10:25:48.973 Found COM port: COM165
2020-01-29 10:25:48.974 Open port COM165 (Android Adapter PCUI (COM165))...
2020-01-29 10:25:49.082 Start read phone info!
2020-01-29 10:25:50.130 Connecting to server...
2020-01-29 10:25:51.184 Connected!
2020-01-29 10:25:51.186 Read data from server...
2020-01-29 10:25:53.122 Read data from server success!
2020-01-29 10:26:04.490 CP State: ready
2020-01-29 10:26:04.492 Read phone basic info...
2020-01-29 10:26:06.039 Read phone secure info...
2020-01-29 10:26:14.699 Detect phone done!

MEID: A00000843B1E0D
pESN: 8087458A
IMEI: 867518030318870
IMEI 0: 000000000000000
IMEISV: 00
Firmware ver.: System 5.1.0.78(0P92)
SN: 5FG7N18108003435
Custom SN: 7N4JYE181A070641
WiFi MAC: BC:3D:85:C5:74:99
BlueTooth MAC: BC:3D:85:C5:7FA
FASTBOOT:Chipset-dallas 5.1.0.1(0KBR)_FASTBOOT
BOOT:Chipset-dallas 5.1.0.1(0KBR)_BOOT
RECOVERYunknow)
SYSTEM:System 5.1.0.78(0P92)
MAINVER:System 5.1.0.78(0P92)
DATAVERunknow)
APTIME:Fri Jan 12 02:13:18 CST 2018
RAM: 4G
eMMC: 64G

IMEI 1 Sim Lock status:
NET: unlocked
NETSUB: locked, unlock retry counts: 10
SP: unlocked

2020-01-29 10:26:18.806 Autodetect started!
2020-01-29 10:26:19.380 Found COM port: COM165
2020-01-29 10:26:20.529 Connecting to server...
2020-01-29 10:26:21.339 Connected!
2020-01-29 10:26:21.341 Read data from server...
2020-01-29 10:26:23.167 Read data from server success!
2020-01-29 10:26:23.170 Open COM port COM165 (Android Adapter PCUI (COM165))...
2020-01-29 10:26:37.672 CP State: ready
2020-01-29 10:26:37.675 Read phone basic info...
2020-01-29 10:26:39.201 Read phone secure info...
2020-01-29 10:26:47.923 Unlocking start
2020-01-29 10:26:47.926 Phone secure identify start
2020-01-29 10:26:51.963 Phone secure identify success!
2020-01-29 10:26:53.617 Unlock Fail!
2020-01-29 10:26:53.620 Job finished!

i did unlock it with sigma key but after unlock phone start with error ;your device has failed may not work properly: how to repair this error message

thank you

[.:hack3r2k:.]

You get that error because the bootloader is unlocked. Simply read bootloader code after the downgrade is done and relock after. Also you must upgrade after the phone using an android 8 or higher version


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