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Vivo V9 bootloader unlocking discussion

Hello Guys,
The Topic of Discussion will be VIVO V9 (1723)
Yes, we all know there is no method found to Root This Phone yet.
Please Share your knowledge here on various methods to root VIVO v9.
i am just one step away from rooting,
that is bootloader unlocking, once i find out how to unlock bootloader, the phone will be rooted.

Up. I need it. Help me please

Vivo FastBoot Unloker
Have you tried this?
https://forum.xda-developers.com/general/rooting-roms/how-to-unlock-bootloader-vivo-phones-t3686690

impossible for the moment
It dosent allow to flash even in EDL mode I tried directly with emmcdl.exe and QFIL both give me same error "unautorised tag"
It seems they have hardcoded emmc so u cant flash it directly
pls see the attached log of QFIL tool:
If anyone could figure out

All methods are failed
I have tried some methods for unlocking bootloader of vivo 1723 listed below all are failed.
1. Fastboot bbk unlock_vivo
Failed(remote: unlock fail)
2. Fastboot vivo_bsp unlock_vivo
Failed(remote: check signature fail)
3. Fastboot oem unlock
Failed(remote: unlock fail)
4. King root , iroot, root genius all apps are ends with Failed.
Please help me thanks.

yhbnffikm

im not a tech genius but in my vivo v9 and in the developer options i see OEM enabler which says "allows to be bootloader unlocked"

DarkWolf said:
Hello Guys,
The Topic of Discussion will be VIVO V9 (1723)
Yes, we all know there is no method found to Root This Phone yet.
Please Share your knowledge here on various methods to root VIVO v9.
i am just one step away from rooting,
that is bootloader unlocking, once i find out how to unlock bootloader, the phone will be rooted.
Click to expand...
Click to collapse
Try unlocking other vivo smartphones, it may be similar to all at a time coz everyine from v9 are updated to funtouch os 9.0 this says a uniformity among all so try to see flashing of other vivo phones and follow the same among ur phone too.

kslakhani said:
It dosent allow to flash even in EDL mode I tried directly with emmcdl.exe and QFIL both give me same error "unautorised tag"
It seems they have hardcoded emmc so u cant flash it directly
pls see the attached log of QFIL tool:
If anyone could figure out
Click to expand...
Click to collapse
koi root kiya vivo v9 youth

anyone manage to do it in emmcdl? i got message device not ready even thought it connected to qualcomm 9008 port.

Can we do that
hoaizm said:
Up. I need it. Help me please
Click to expand...
Click to collapse
if we flash our android into another vivo kernel.

I just unlocked the bootloader on vivo y85a（the china version v9 youth-pd1730）using https://forum.xda-developers.com/general/rooting-roms/how-to-unlock-bootloader-vivo-phones-t3686690
the key is that the prog mbn file:you can't use the file from the firmware.In chinese forum someone said that if you want to flash the firmware to the phone,you should use different prog_emmc_firehose_8953_ddr.mbn.Here is the different file:https://drive.google.com/file/d/1KeWMM22g8x-aTKhjqS-pmW1iY7z6ZAs4/view?usp=sharing
---------- Post added at 02:05 PM ---------- Previous post was at 02:00 PM ----------
kslakhani said:
It dosent allow to flash even in EDL mode I tried directly with emmcdl.exe and QFIL both give me same error "unautorised tag"
It seems they have hardcoded emmc so u cant flash it directly
pls see the attached log of QFIL tool:
If anyone could figure out
Click to expand...
Click to collapse
you can use this file:https://drive.google.com/file/d/1KeWMM22g8x-aTKhjqS-pmW1iY7z6ZAs4/view?usp=sharing
I think it should be work.
I unlocked the bootloader on vivo y85(china version of v9 youth)

I am the one that wait someone can unlock v9. Please help us please

lpxx50117 said:
I just unlocked the bootloader on vivo y85a
Click to expand...
Click to collapse
Hi, I have the same phone Vivo Y85A, can you please tell me the exact steps that you went through?

alichiddy said:
Hi, I have the same phone Vivo Y85A, can you please tell me the exact steps that you went through?
Click to expand...
Click to collapse
https://forum.xda-developers.com/general/rooting-roms/how-to-unlock-bootloader-vivo-phones-t3686690/
I'm using this guide to unlock the bootloader.But I found noting can do after unlocked the bootloader.
Vivo add some verify in boot and recovery partition.I tried to port a twrp for y85a and flash it to recovery partition,but it cannot boot.Only "fastboot boot"can boot the twrp,and all of the partitions are report error.

i need Twrp or any custom recovery for Vivo V5
(Vivo 1601).
Please Help.

hello guys ,
i tried every method for unlocking boot loader , finally i found one of the easiest method to unlock boot loader .
Step 1. Boot Vivo V9 in to edl mode
Step 2. Use Qualcomm ultimate tool for unlock boot loader ( Software is free but you have to pay for UMT dongle it will cost approximate 35$ to 45$ depends on your country )
Step 3 . After unlocking boot loader grab your os from your emmc using JTAG
Step 4 . Patch boot file with Magisk .
Step 5 . Copy Magisk patch file in to your device and boot the device .
( BBK electronics vivo official website does not have updated fun touch os file , please don't use any online file , Use your own emmc storage os file for patching magisk )

TWRP / Unlock Bootloader on Cubot P30 (MT6763V)

Hi guys,
im looking forward to unlock the bootloader on my Cubot P30.
The phone is responding in USB debugging moder over the shell, for example when I´m typing "adb devices" or "fastboot reboot bootloader".
But in fastboot afer restart the device unfortunately doesn´t respond.
I even dont really know if the Bootloader is locked or not. The OEM Unlock slider under developer settings is set.
Furthermore The Recovery menu is in chinese, so i also dont know if there is a chance to doublecheck.
I tried flashing an Image over the Shell in case the booloader is unlocked but without success.
Also I cant´t find TWRP for this device, it seems there is no support for Cubot P30, isn´t it.
Hope there is a chance to update the device to Android 10 or Lineage, thanks in advance.

Update: The device is now unlocked. I flashed the Lineage 17.1 and unfortunately the device is still rebooting. Has somone a working image for this device?

Hello, how do you unlock your phone?
Mine Is P40 and same issue.
So if you tell me the way i really appriciate.
Thank you.

Unlock Bootloader & Root Android
Flashing process
1. Unlock Bootloader on Android Devices:
getdroidtips.com/unlock-bootloader-via-fastboot-on-android
2. Install custom recovery:
twrp.me/Devices
3. Root [Download & install supersu.zip via twrp, or root using magisk]:
getdroidtips.com/root-ulefone-power-6

HOW TO UNLOCK BOOTLOADER IN OPPO F9 PRO HAVING NO FASTBOOT MODE ACCESS

I have an OPPO F9 pro ,OPPO devices don't have any fastboot/bootloader mode given by manufacturer ,i have tried all methods like ADB commands(adb reboot bootloader) , power off+volume up/down ,,nothing works my phone boots into system normally ,this is because there do not exist the fastboot mode.
So can someone plz help me with how can i unlock bootloader of my oppo f9 pro any help would be really appreciated a lot

If in phone's Android -> Settings -> Developer options the option "OEM unlock" is available then enable it and re-start phone afterwards.
On PC-side you also have to install Oppo F9 Pro MediaTek VCOM Driver

jwoegerbauer said:
If in phone's Android -> Settings -> Developer options the option "OEM unlock" is available then enable it and re-start phone afterwards.
On PC-side you also have to install Oppo F9 Pro MediaTek VCOM Driver
Click to expand...
Click to collapse
Thanks for replying,
I would like 2 tell that i have already installed all drivers for my phone and my phone is fully connected via adb to my pc plus the OEM unlock is available and is of no use(the OPPO official service themselves says that OPPO phones don,t have any bootloader) ,then it simply means the OEM unlock is useless ,and i have tried it a million times using that vol.up/down + power button (OR) by adb commands nothings works.
So since my phones doesn't have any fastboot mode then how can i even unlock bootloader plz help

armankang said:
Thanks for replying,
I would like 2 tell that i have already installed all drivers for my phone and my phone is fully connected via adb to my pc plus the OEM unlock is available and is of no use(the OPPO official service themselves says that OPPO phones don,t have any bootloader) ,then it simply means the OEM unlock is useless ,and i have tried it a million times using that vol.up/down + power button (OR) by adb commands nothings works.
So since my phones doesn't have any fastboot mode then how can i even unlock bootloader plz help
Click to expand...
Click to collapse
Wondering - because you stated your phone doesn't have a bootloader what OPPO officials confirmed - why then you try to unlock phone's bootloader?
BTW: ADB commands operate on Android OS, not on phone's bootloader what in fact Fastboot commands do.
Example commands sequence:
Code:
adb devices
adb reboot fastboot
fastboot reboot fastboot 2>nul
adb get-state

ok bro i got my answer thx

armankang said:
ok bro i got my answer thx
Click to expand...
Click to collapse
Did you root your oppo f9?

Bootloader Unlocking trick for Oppo F15

Hello Everyone, I am using Oppo F15 CPH 2001 which is based on Mediatek MT6771V. And its come with Android 9 Pie but right now i am using Android 11. Problem is i can't unlock the bootloader i tried all kinds of ADB & Fastboot commands nothing works and my phone is not booting to fastboot mood. Well it's give me some kinds of key combination. Like some kind of binary key but i just want to unlock the bootloader so i can install GSI ROM for it but because of this problem i can't able to do that so if you guys know or if you have any idea that how am i be able to break that encryption or bypass it please let me know. "Thank you"

Have you installed Oppo USB Driver on computer?
Download Oppo USB Driver for Windows (Latest Driver)
Download the Latest Oppo USB Driver to connect Oppo Smartphone and Tablets to the Windows Computer without PC Suite Application.
androidmtk.com

Yes Oppo USB Drivers & Universal USB drivers
jwoegerbauer said:
Have you installed Oppo USB Driver on computer?
Download Oppo USB Driver for Windows (Latest Driver)
Download the Latest Oppo USB Driver to connect Oppo Smartphone and Tablets to the Windows Computer without PC Suite Application.
androidmtk.com
Click to expand...
Click to collapse
Yes Oppo drivers & Universal USB drivers

Disable Universal USB Driver, may conflict with Oppo USB Driver.

jwoegerbauer said:
Remove Universal USB Driver, may conflict with Oppo USB Driver.
Click to expand...
Click to collapse
Okay

I tried all the commands but nothing works.

May be this guide helps:
How To Unlock Bootloader On Oppo F15 – ADB & Fastboot
Unlock Bootloader On Oppo F15 Do you want to know How To Unlock Bootloader On Oppo F15 then you are at the right place? Today in this article I will guide
myphoneupdate.com

jwoegerbauer said:
May be this guide helps:
How To Unlock Bootloader On Oppo F15 – ADB & Fastboot
Unlock Bootloader On Oppo F15 Do you want to know How To Unlock Bootloader On Oppo F15 then you are at the right place? Today in this article I will guide
myphoneupdate.com
Click to expand...
Click to collapse
Well, that's a fake information. And there talking about Oppo f15 phone but give photos of Xiaomi device.

jwoegerbauer said:
May be this guide helps:
How To Unlock Bootloader On Oppo F15 – ADB & Fastboot
Unlock Bootloader On Oppo F15 Do you want to know How To Unlock Bootloader On Oppo F15 then you are at the right place? Today in this article I will guide
myphoneupdate.com
Click to expand...
Click to collapse
Oh and i don't know if you did this or someone else did it but this site is misleading i mean when click on "Read full story" it will take you to this page but my phones problem is not resolve yet? So why on earth it's saying new trick?
Redirect Notice

use mtk easy tool I've recently unlocked bootloader and rooted my oppo f15 using magisk.
Note after unlocking bootloader goto recovery mode and format data and while booting u will notice dm-verity error just press power button to continue booting into recovery/os

itz.broken said:
use mtk easy tool I've recently unlocked bootloader and rooted my oppo f15 using magisk.
Note after unlocking bootloader goto recovery mode and format data and while booting u will notice dm-verity error just press power button to continue booting into recovery/os
Click to expand...
Click to collapse
Bruh can you give me the steps? Because i wanna try android 13 from dsu loader and it doesn't require root, the only prerequisite is unlocked bootloader, i tried mtkclient software to unlock bootloader but it didn't even boot into fastboot mode. It would be nice if you guide me to unlock bootloader. You can reach me on telegram @Murugesh72
Thank you.

Bricked Xiaomi 12X Locked Bootloader Only Fastboot

Hi guys, my friend got a new Xiaomi 12X and while trying to flash a global rom he bricked the phone into fastboot mode only.
We can't flash a new rom through MiFlash because it says that the device is locked. We can't boot into the system anymore to do the unlock process. No access to recovery mode, FASTBOOT ONLY.
How can we proceed? I know that there's probably some way to do this without unlocking, china sellers from AliExpress and stores like that do this every day to change from china to global ROMs.
I found this tool, but it's paid, anyone knows if it works? Mod Edit: Link Removed

You're looking for the fastboot rom, specifically, available on the offical website and on one of these forums. That's the one you can push from fastboot on your PC
the other methods won't work while its stuck in fastboot

https://forum.xda-developers.com/f/xiaomi-poco-f3-xiaomi-mi-11x-redmi-k40.12161
you need patched firehose for the Poco F3. so go in that forum and search for "firehose"