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Hovatek Forum OPERATING SYSTEMS Android ZTE blade A5 2019 don't accept vbmeta custom signed image

ZTE blade A5 2019 don't accept vbmeta custom signed image

ZTE blade A5 2019 don't accept vbmeta custom signed image

Skorpion06
Skorpion06
Skorpion06
Junior Member
38
01-12-2021, 08:32 PM
#1



hi, i'm trying to get a vbmeta custom signed image for ZTE blade A5 2019 (android 9), i've done all the steps at https://www.hovatek.com/forum/thread-32664.html but the command: python vbmeta_pad.py completes but the image remains of 16kb, doing that with the android 10 version works but the phone don't accept the image (endless flash with spd research tool). Same with the custom twrp i've built (using [Hovatek] MTK Auto Philz Recovery Porter V1.5 by Team Hovatek). What i've to do to make things work? here is my folder:https://www.mediafire.com/file/pkbphzl2xn55y41/Hovatek_zte_flash.rar/file
hovatek
hovatek
hovatek
Administrator
50,970
02-12-2021, 08:41 AM
#2
(01-12-2021, 08:32 PM)Skorpion06 hi, i'm trying to get a vbmeta custom signed image for ZTE blade A5 2019  (android 9), i've done all the steps at https://www.hovatek.com/forum/thread-32664.html but the command: python vbmeta_pad.py completes but the image remains of 16kb, doing that with the android 10 version works but the phone don't accept the image (endless flash with spd research tool). Same with the custom twrp i've built (using [Hovatek] MTK Auto Philz Recovery Porter V1.5 by Team Hovatek). What i've to do to make things work? here is my folder:https://www.mediafire.com/file/pkbphzl2xn55y41/Hovatek_zte_flash.rar/file

Have You unlocked bootloader?

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Skorpion06
Skorpion06
Skorpion06
Junior Member
38
03-12-2021, 07:49 PM
#3
I've enabled bootloader unlock but I cannot go in fastboot mode. When I try to go it reboots normally. So i think I need a new vulnerability to enable root access.

Inviato dal mio POCO F1 utilizzando Tapatalk
hovatek
hovatek
hovatek
Administrator
50,970
04-12-2021, 09:06 AM
#4
(03-12-2021, 07:49 PM)Skorpion06 I've enabled bootloader unlock ...
Inviato dal mio POCO F1 utilizzando Tapatalk

Do you mean OEM unlocking?

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Skorpion06
Skorpion06
Skorpion06
Junior Member
38
04-12-2021, 07:46 PM
#5

Mediatek Course Mediatek Course


Yes, I've enabled oem unlock in dev settings, but when I try to go into fastboot mode the phone reboot normally, even from adb even from recovery mode when I hit reboot to bootloader, so I think that fastboot is disabled on the phone and is ZTE that have done it, before I've a windtre firmware then I changed it to an official one and nothing changed, also this phone does not have a fmt mode (the unlock mode for some zte devices) so my only option is to find a root exploit and then to use a bootloader unlocking app. This thread can be closed I think.

Inviato dal mio POCO F1 utilizzando Tapatalk
Skorpion06
Skorpion06
Skorpion06
Junior Member
38
19-04-2022, 01:45 PM
#6
Hm, I think I've found root ca of the phone, there is   .0 files which if opened in text editor says begin certificate and also there is a zip with a 509.pem file, are those only to sign apk or could be used for sign images? Can you help me use that to root the device?
hovatek
hovatek
hovatek
Administrator
50,970
21-04-2022, 10:40 AM
#7
(19-04-2022, 01:45 PM)Skorpion06 Hm, I think I've found root ca of the phone, there is   .0 files which if opened in text editor says begin certificate and also there is a zip with a 509.pem file, are those only to sign apk or could be used for sign images? Can you help me use that to root the device?

Where did you find this certificate?

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Skorpion06
Skorpion06
Skorpion06
Junior Member
38
24-10-2022, 08:02 PM
#8
(21-04-2022, 10:40 AM)hovatek
(19-04-2022, 01:45 PM)Skorpion06 Hm, I think I've found root ca of the phone, there is   .0 files which if opened in text editor says begin certificate and also there is a zip with a 509.pem file, are those only to sign apk or could be used for sign images? Can you help me use that to root the device?

Where did you find this certificate?

Sorry for the late reply, I found a firmware with fastboot, now the problem is that I don't have the right vbmeta_4096_rsa.pem since zte uses their own. They won't give me that and unisoc don't answer at all. Btw that .0 files i believe are the internal certs, I found them inside the firmware. But they are installed already so are useless. I wonder what I should do to hack this smartphone
hovatek
hovatek
hovatek
Administrator
50,970
27-10-2022, 01:38 PM
#9
(24-10-2022, 08:02 PM)Skorpion06 Sorry for the late reply, I found a firmware with fastboot, now the problem is that I don't have the right vbmeta_4096_rsa.pem since zte uses their own. They won't give me that and unisoc don't answer at all. Btw that .0 files i believe are the internal certs, I found them inside the firmware. But they are installed already so are useless. I wonder what I should do to hack this smartphone

very little without the keys they'd used

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