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[Q] BLUnlock not allowed solution ?

Hello every one. I have a c2105 from Vodafone and I'm convinced that there's no option to unlock my bootloader, but recently, I found two videos on Youtube which show a software that can unlock it when it says "NOT Allowed"...
Links:
https://youtu.be/Li8Eim6gugw
https://youtu.be/f7EXkspZ6Bg
Has anyone tried one of these softwares and has it a chance to succeed ? :fingers-crossed:
Thank you :laugh:

totally fake
100% malware for your pc

Flash recovery to boot via fastboot and flash rom and after that flash boot from that rom

There is a way to install a cwm while BL locked. Although in order to flash a custom ROM you need to find a good one and one for BL locked (which there aren't many at the moment)

Can we install rom without unlocking bl

Help, I need dumped TA partition with permission to unlock the bootloader, mine is locked (orange) and I want find the differences.
Can someone post one ?

nrana7281 said:
Can we install rom without unlocking bl
Click to expand...
Click to collapse
No, you can't.

Relock bootloader for warranty

Hi, is It possible to relock bootloader for to have warranty back?
Thanks

once you flash the stock img, it will be locked again.
Till Nougat, we had dload method which locks it fully (other method for unlocking it would just re-lock it)

shashank1320 said:
once you flash the stock img, it will be locked again.
Till Nougat, we had dload method which locks it fully (other method for unlocking it would just re-lock it)
Click to expand...
Click to collapse
Hey, i am in the same situation and after flashing the stock rom + stock recovery my bootloader is still unlocked, and i still get that "This device has been unlocked and can't be trusted" screen on boot.
Is there any way to manually lock the bootloader?
Edit: i found this SRKTool and i was able to easily relock the bootloader. You need the Unlock code though and it resets your phone, so backup your data.
https://forum.xda-developers.com/mate-8/development/tool-srk-tool-huawei-t3369797 @alboz83

Arrandale said:
Hey, i am in the same situation and after flashing the stock rom + stock recovery my bootloader is still unlocked, and i still get that "This device has been unlocked and can't be trusted" screen on boot.
Is there any way to manually lock the bootloader?
Edit: i found this SRKTool and i was able to easily relock the bootloader. You need the Unlock code though and it resets your phone, so backup your data.
https://forum.xda-developers.com/mate-8/development/[email protected]
Click to expand...
Click to collapse
Yes it will only relock the bootloader but not lock. Anyone experienced with this can get this that you had unlocked your bootloader earlier

Arrandale said:
Hey, i am in the same situation and after flashing the stock rom + stock recovery my bootloader is still unlocked, and i still get that "This device has been unlocked and can't be trusted" screen on boot.
Is there any way to manually lock the bootloader?
Edit: i found this SRKTool and i was able to easily relock the bootloader. You need the Unlock code though and it resets your phone, so backup your data.
https://forum.xda-developers.com/mate-8/development/tool-srk-tool-huawei-t3369797 @alboz83
Click to expand...
Click to collapse
I relocked yesterday bootloader and my relocated easily. I can not find the update of stock firmware. Once found update. I clicked on update, update failed. I have not got the update since then. So I did relock. Very easy to relock. But my mobile update is not happening. Please give me some help
Sent from my [device_name] using XDA-Developers Legacy app

shashank1320 said:
once you flash the stock img, it will be locked again.
Till Nougat, we had dload method which locks it fully (other method for unlocking it would just re-lock it)
Click to expand...
Click to collapse
Many people say that if we flash stock rom the bootloader stay unlock. Or i have to flash in a particular mode?
With the tool i can relock but not lock, right?

alboz83 said:
Many people say that if we flash stock rom the bootloader stay unlock. Or i have to flash in a particular mode?
With the tool i can relock but not lock, right?
Click to expand...
Click to collapse
Yup

i Read somewhere that if u flash the stock rom using dload after u have relocked the bootloader, the bootloader status will change from relock to locked. does this work? can anyone try and confirm this? i want to make sure of this before i unlock. I would be greatful forever.
Thanks

Anzee said:
i Read somewhere that if u flash the stock rom using dload after u have relocked the bootloader, the bootloader status will change from relock to locked. does this work? can anyone try and confirm this? i want to make sure of this before i unlock. I would be greatful forever.
Thanks
Click to expand...
Click to collapse
Have tried to this more than 100 times and it works fine. It will be locked BL rather than relock

shashank1320 said:
Have tried to this more than 100 times and it works fine. It will be locked BL rather than relock
Click to expand...
Click to collapse
If u flash stock?
Thank you thank you thank you you're a life saver ♥

Anzee said:
If u flash stock?
Thank you thank you thank you you're a life saver ♥
Click to expand...
Click to collapse
Yes. Did you solve the BL state?

shashank1320 said:
Yes. Did you solve the BL state?
Click to expand...
Click to collapse
No I haven't even unlocked the bl yet. I just wanted to make sure it the relock to lock state was possible before I unlock. I will do so soon when I get some time.

Anzee said:
No I haven't even unlocked the bl yet. I just wanted to make sure it the relock to lock state was possible before I unlock. I will do so soon when I get some time.
Click to expand...
Click to collapse
Yes you can always do via full ota or flashing the stock firmware via dload. Not hard to do to retain warranty:silly:

shashank1320 said:
Have tried to this more than 100 times and it works fine. It will be locked BL rather than relock
Click to expand...
Click to collapse
But dload method not work only for a single update.app file? With view 10 there are 3 files

alboz83 said:
But dload method not work only for a single update.app file? With view 10 there are 3 files
Click to expand...
Click to collapse
Use the first file, update.zip. it will contain a update.app file around 3 GB. Can use this single file.

shashank1320 said:
Use the first file, update.zip. it will contain a update.app file around 3 GB. Can use this single file.
Click to expand...
Click to collapse
Really? And I have to install over the same firmware, not an update? For example, now I'm on 162 build with unlock bootloader. If I install only update.zip of 162 build with dload method, I obtain the lock bootloader?

alboz83 said:
Really? And I have to install over the same firmware, not an update? For example, now I'm on 162 build with unlock bootloader. If I install only update.zip of 162 build with dload method, I obtain the lock bootloader?
Click to expand...
Click to collapse
Yes.

hello all guys!
i have honor 10 (now col-l29)
before rebranding (col-tl10)
may i relock the BL safety?? i have official rom

ecsalos said:
hello all guys!
i have honor 10 (now col-l29)
before rebranding (col-tl10)
may i relock the BL safety?? i have official rom
Click to expand...
Click to collapse
Why you want to relock, to gain warranty?
If so, better dload the current firmware and it will lock it safely.

because, i dont want to see everytime when i reboot my phone,this stupid message, who tells me that i have unlock bl...
i have 8.1.0.151 (c432)
i was downloaded this version when im trying to rebranding.. for official site..
if i relock with this version, the worse scenario it will be...??? brick???
if i dload the current firmware, i will install it with TWRP again? and after it will be locked safety?
and what firmware i must to dload?

Not able to lock my bootloader again in my Redmi Note 7 Pro

I sucessfully installed Orange Fox Recovery in my Redmi Note 7 Pro (violet). But then after that I wanted to go back to the stock rom so I flashed it with Mi Flash. The Rom which I flashed was Global Stable Fastboot Rom (Version 11.0.8.0) but after flashing an error appeared that the system has been destroyed. Then I tried to unlock my bootloader, that took place successfully and my phone booted but the bootloader was still unlocked, I want to lock my bootloader. But whenever I do this the System Gets Destroyed.

You probably have the Chinese version and are flashing the Indian rom. Try to flash the Chinese rom and lock the bootloader and see if it works.

Harsh Ahuja 2509 said:
I sucessfully installed Orange Fox Recovery in my Redmi Note 7 Pro (violet). But then after that I wanted to go back to the stock rom so I flashed it with Mi Flash. The Rom which I flashed was Global Stable Fastboot Rom (Version 11.0.8.0) but after flashing an error appeared that the system has been destroyed. Then I tried to unlock my bootloader, that took place successfully and my phone booted but the bootloader was still unlocked, I want to lock my bootloader. But whenever I do this the System Gets Destroyed.
Click to expand...
Click to collapse
U cant relock ur bootloader bruh ri8 now.

sourav24071999 said:
U cant relock ur bootloader bruh ri8 now.
Click to expand...
Click to collapse
When it can be relock again?

sourav24071999 said:
U cant relock ur bootloader bruh ri8 now.
Click to expand...
Click to collapse
Then when can I relock my bootloader again? Because I want to lock my bootloader

dark3578 said:
You probably have the Chinese version and are flashing the Indian rom. Try to flash the Chinese rom and lock the bootloader and see if it works.
Click to expand...
Click to collapse
No, I never had the China Version it is the Indian Version. Can u send me the link of the Chinese Rom

Harsh Ahuja 2509 said:
Then when can I relock my bootloader again? Because I want to lock my bootloader
Click to expand...
Click to collapse
Let's see.. no info yet

I am also having the same issue. I have tried multiple methods. I flashed Chinese rom, and then tried relocking the bootloader. It did not work.
I also tried flashing MIUI 10, and after flashing the fastboot rom of MIUI, I tried relocking bootloader. It did not work as well.
I want to relock my bootloader.
After unlocking bootloader I am facing just one issue, that is, my internet goes off (volte signal + internet) while receiving an incoming call. While it does not goes off and internet works fine when making outgoing calls. Are you also facing this issue? I am using Airtel.
Also, can someone please help us out?

I have did same it will work for me with unlocked bootloader and got a little issue with accessibility player in youtube
Not a big deal ?

Question How to flash stock firmware without root ?

hi, anyone has some kind of advice to flash old firmware as the newest have a lot of problems in terms of camera quality ? i don't have rooted my pixel 7 pro ...

Albi Lukaj said:
hi, anyone has some kind of advice to flash old firmware as the newest have a lot of problems in terms of camera quality ? i don't have rooted my pixel 7 pro ...
Click to expand...
Click to collapse
You can install the OTA update from here. Just follow the instructions Google provided at the top of the page and you should be all updated. It's only the full images that require the bootloader to be unlocked.

Just go look up factory images for Pixel phones. You can install firmware right from the web browser. You don't need to have root. Root is optional.

Do you mean without an unlocked bootloader? Root is not the same thing and does not determine how you can flash firmware.
If your bootloader is unlocked, you can use the Android Flash Tool. If your bootloader is not unlocked, downgrading is impossible.
UltimateGamer83 said:
Just go look up factory images for Pixel phones. You can install firmware right from the web browser. You don't need to have root. Root is optional.
Click to expand...
Click to collapse
This only works if OEM Unlocking is enabled in Developer Options.

V0latyle said:
Do you mean without an unlocked bootloader? Root is not the same thing and does not determine how you can flash firmware.
If your bootloader is unlocked, you can use the Android Flash Tool. If your bootloader is not unlocked, downgrading is impossible.
This only works if OEM Unlocking is enabled in Developer Options.
Click to expand...
Click to collapse
so i just need to unlock the bootloader and then i can install old firmware following the procedure ?

Albi Lukaj said:
so i just need to unlock the bootloader and then i can install old firmware following the procedure ?
Click to expand...
Click to collapse
Yes

Albi Lukaj said:
so i just need to unlock the bootloader and then i can install old firmware following the procedure ?
Click to expand...
Click to collapse
@Albi Lukaj, Please be aware that unlocking your bootloader WILL WIPE YOUR DEVICE AND RETURN IT TO STOCK!!!
If that is not preferable, you might try applying the OTA like stated in Post #2, but I am not sure if it works downgrading a version (it probably doesn't)...

Will I get a brick if I lock bootloader with an old stock ROM?

I want to relock bootloader, but will I get brick if I lock bootloader with old stock ROM installed on device?

Look inside here:
Lock BootLoader after Rooting?
Thanks for taking time to read my query. I was wondering if I've to lock boot-loader after rooting ( I just rooted my Oero) and before looking can I take everything backup on titanium backup and then restore everything after locking ? I'm I...
forum.xda-developers.com

jwoegerbauer said:
Look inside here:
Lock BootLoader after Rooting?
Thanks for taking time to read my query. I was wondering if I've to lock boot-loader after rooting ( I just rooted my Oero) and before looking can I take everything backup on titanium backup and then restore everything after locking ? I'm I...
forum.xda-developers.com
Click to expand...
Click to collapse
I know that if I install modified ROM and lock bootloader I will get a brick. But will I get a brick if i install official (stock) ROM but old version and then lock bootloader? For example, I installed stock ROM (not modified) with Android 10, but the latest is Android 11 then I locked bootloader. Will I get a brick?

jwoegerbauer said:
Look inside here:
Lock BootLoader after Rooting?
Thanks for taking time to read my query. I was wondering if I've to lock boot-loader after rooting ( I just rooted my Oero) and before looking can I take everything backup on titanium backup and then restore everything after locking ? I'm I...
forum.xda-developers.com
Click to expand...
Click to collapse
The question is, can I lock the bootloader with the old version of the official firmware installed without getting a brick. Because the old version of the firmware works smoother.

Locking a bootloader doesn't affect ROM actually installed: Lock or Unlock will wipe your data, that's all.

jwoegerbauer said:
Locking a bootloader doesn't affect ROM actually installed: Lock or Unlock will wipe your data, that's all.
Click to expand...
Click to collapse
So can I install old version of fw? I heard something about rollback protection.

Oybek78 said:
So can I install old version of fw? I heard something about rollback protection.
Click to expand...
Click to collapse
You still, or I didn´t find, that you mention the model of your device, that´s matter to have the right answer.
Also, it depends on which method you used to flash the ROM, if you officially, flashed the ROM, and the rollback didn´t affect your device, then it won´t do, locking or unlocking it.

Oybek78 said:
So can I install old version of fw? I heard something about rollback protection.
Click to expand...
Click to collapse
The stock ROM can be installed on the phone at any time. Mostly via ADB / Fastboot tools.

SubwayChamp said:
You still, or I didn´t find, that you mention the model of your device, that´s matter to have the right answer.
Also, it depends on which method you used to flash the ROM, if you officially, flashed the ROM, and the rollback didn´t affect your device, then it won´t do, locking or unlocking it.
Click to expand...
Click to collapse
My phone is Sony Xperia 1 J9110. I flashed it officially to the latest ROM through settings. Then I unlocked the bootloader and flashed the old stock ROM via newflasher. Then I decided to relock the bootloader with old stock ROM installed. Does this mean that I will get my phone bricked if I lock the bootloader with old stock ROM actually installed?

jwoegerbauer said:
The stock ROM can be installed on the phone at any time. Mostly via ADB / Fastboot tools.
Click to expand...
Click to collapse
But can I lock the bootloader with old stock ROM installed?

I saw somewhere that if you lock the bootloader with the old firmware version, you may get brick. But I'm not sure about that.

Why steadily repeat your posts?
FYI: I hereby opt out of this thread.

jwoegerbauer said:
Why steadily repeat your posts?
FYI: I hereby opt out of this thread.
Click to expand...
Click to collapse
Because you answered me

Oybek78 said:
My phone is Sony Xperia 1 J9110. I flashed it officially to the latest ROM through settings. Then I unlocked the bootloader and flashed the old stock ROM via newflasher. Then I decided to relock the bootloader with old stock ROM installed. Does this mean that I will get my phone bricked if I lock the bootloader with old stock ROM actually installed?
Click to expand...
Click to collapse
Yes, always that you flash a stock ROM, you can re-lock it, fastboot will erase the data as a security measurement.