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How To Unlock Bootloader Of Vivo Phones ?

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8th April 2020, 09:12 AM |#191  
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anyone please
8th April 2020, 07:34 PM |#192  
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Not working
Quote:
Originally Posted by Naveen Singh

Hi!

vivo_bootloader_unlock

I’ve seen a lot of users struggling around the internet to find out the way to root vivo phones.
And, Yeah, There are a lot of tutorials available explaining how to unlock bootloader and root vivo phones, but , nearly all of them do not work.

I tried this on my vivo y53.
The first one didn't work for unknown reason. It says:

FAILED (remote: unclock fail.)
finished. total time: 0.022s

The second one didn't work too.
I already turned on the OEM unlock in settings. I follow the tutorial and well the bootloader is unlocked(cause i could finally flash) but it doesn't boot. it shows the splash screen in a split second then it turns of then the splash screen shows again. I could only boot into bootloader.
22nd April 2020, 05:48 AM |#193  
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vivo v7 plz try
8th June 2020, 04:07 PM |#194  
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Vivo Y15(2019 Edition)
I can't boot into fastboot, anyone know how? Also how to root this device?
21st June 2020, 11:02 AM |#195  
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Prompt Update?
Has there been updates regarding this? I tried it on my Vivo V11 Pro (vivo 1804) and it just fails in the ff:
Both commands fail

Already enabled OEM Unlocking in Developer Options as well, it seems intentional by the manufacturer's side but I still hope there's a way
ROM: Funtouch OS_9
Version: PD1814F_EX_A_6.13.4

Quote:
Originally Posted by Naveen Singh

Hi!

vivo_bootloader_unlock

I’ve seen a lot of users struggling around the internet to find out the way to root vivo phones.
And, Yeah, There are a lot of tutorials available explaining how to unlock bootloader and root vivo phones, but , nearly all of them do not work.

So, After a bit of research, here’s what I got :-

Vivo developers modified there bootloader to used a different command for bootloader unlock/relock than the the stock android commands.

Also, On some phones like vivo y51l (Upgrade to PDF1510_2.6.7), you'll need to upgrade to the latest version available.

And That’s Why we need a modified fastboot binary to unlock bootloader of vivo.
vivo_fastboot on Github
WARNING! It’ll void your warranty.

Follow the below steps to unlock bootloader of vivo phones :-
I've compiled fastboot binary with necessary modifications which you can download from below

Download vivo_fastboot For Windows
Download vivo_fastboot For Linux

Download : Vivo_fastboot_v2 :- Linux Windows
Extract the downloaded files on your Computer and open Terminal/Command Prompt in the extracted directory

Now power off your vivo phone and enter fastboot mode by pressing power+ vol – buttons simultaneously.

vivo_lock


If you are using linux then type

sudo ./fastboot bbk unlock_vivo

ubuntu_vivo_unlock


If you are using Windows then type

fastboot bbk unlock_vivo

Voila ! Your Vivo Phone is now Unlocked.

vivo_unlock


If You Want to lock it again then just type

fastboot bbk lock_vivo

In case Of linux type

sudo ./fastboot bbk lock_vivo

UPDATE :- I discovered a new command for some Vivo phones, it isn't working for me but many user asked to make a fastboot binary with that command.
The new command is fastboot vivo_bsp unlock_vivo (Type fastboot help to get list of supported commands.) If this method isn't working for you, don't worry, I have another working method ( posting soon...)

Now you can port and flash twrp recovery and Custom Roms on your vivo devices.

YouTube Video for unlocking vivo bootloader :
https://www.youtube.com/watch?v=cA8QrAXsINc
Bingo......
UNOFFICIAL CM 12.1 for Vivo y51l is out, Have a look :
https://www.youtube.com/watch?v=2uSqIYiqXU4
Original Thread Here

UPDATE :-
[/

I discovered a new method few months ago, & it works well on new vivo devices:-
This method is unofficial & may brick your device (in 1% cases)
I'm not responsible for any loss or harm done to your device, sdcard, PC, home, ferrari etc.
If You are using this method to unlock bootloader, use at your own risk !

Downloads :-
BLUnlocker_v1.zip
QDLoader_HS_USB_Driver.7z
Steps to unlock bootloader :-

1. Extract the BLUnlocker_v1.zip (You have done this already, trust me, i know you did it
2. Install Qualcomm USB Driver for Qdloader 9008 mode.
3. Get your phone, press vol up & down buttons together & connect USB at the same time.
4. Extract your firehose file from your stock firmware (It's usually named like 'prog_emmc_firehose_****.mbn') & place it in the current directory.
5. Check the port number your device is connected to in WIndows Device Manager. (Looks like COM*)
6. Double Click the 'dump_devinfo.bat' file.
7. Enter the port number (from step 5) & press enter
8. Edit your devinfo.img using HxD Hex Editor as shown in my video (Or you can comment on my channel with a link to your devinfo.img)
9. Double click 'unlock.bat'

-:Video:-

https://www.youtube.com/watch?v=DdmrpRxQO74
If all went good, your bootloader is unlocked now!
Thanks me later, go break some eggs !
Peace !



vivo fastboot binary sources ( My GitHub ) :- https://github.com/Naveen3Singh/vivo_fastboot

! GIVE CREDITS IF YOU ARE USING MY WORK !

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