[GUIDE][NOKIA]Unlocking Bootloader - Nokia 6.1 Plus (X6) Guides, News, & Discussion

To unlock bootloader of several Nokia android devices you need to be on Security Patch prior to August 2018 and you need a Unique Unlock Key for your device.
{Mod edit}
If you satisfy the above conditions then here are the steps to unlock bootloader -
1. Reboot to Fastboot/Download Mode
2. Check for your devices using the following command
Code:
fastboot devices
3. Type
Code:
fastboot flash unlock unlock_key.bin
Note - Replace unlock_key.bin file name with full name of your unlock key file.
4. Type
Code:
fastboot oem unlock-go
5. You'll see a bootloader unlock confirmation prompt screen press power button to confirm.
6. Again reboot to Fastboot/Download Mode
7. Follow Step 2 again
8. Follow Step 3 again
9. Type
Code:
fastboot flashing unlock_critical
10. Follow Step 5 again
Now you've unlocked your Nokia Device Successfully.

iTZ saurav said:
If you are on latest android then you need to downgrade your phone
Click to expand...
Click to collapse
This part is what I don't understand. How is it possible to downgrade a bootloader locked device from android 10 to Oreo without a signed android Oreo image that is accepted by the device?

There are only two options to get your phone downgraded with locked bootloader, first is Nokia Service Center and second is the websites that I've mentioned in the 1st post they'll downgrade your phone and provide you the unlock service.

iTZ saurav said:
There are only two options to get your phone downgraded with locked bootloader, first is Nokia Service Center and second is the websites that I've mentioned in the 1st post they'll downgrade your phone and provide you the unlock service.
Click to expand...
Click to collapse
Do not discuss any paid unlock service in this thread! Please do not mention their names and do not link to them.
Thanks for your cooperation.
Stay safe and stay healthy!
Regards
Oswald Boelcke

What exactly flashing unlock_critical does that flashing unlock doesn't do?

Volski_ said:
This part is what I don't understand. How is it possible to downgrade a bootloader locked device from android 10 to Oreo without a signed android Oreo image that is accepted by the device?
Click to expand...
Click to collapse
isn't firmwarte DRG-237-WW.nb0 a signed firmware perfect for downgrading (with OST tool or SUT tool) ?
real question, i just bought a TA-1116 yesterday

If the image is signed, it can be flashed. They might have obtained signed firmware image from the employee in service center.

Volski_ said:
If the image is signed, it can be flashed. They might have obtained signed firmware image from the employee in service center.
Click to expand...
Click to collapse
yes excuse my noobiness i was thinking the firmwares available on hikaricalyx website were signed ones released by nokia.

How to unlock bootloader without PC Nokia 6.1 plus

Techmesto released the tutorial to unlock the bootloader for some Nokia phones (including Nokia 6.1 plus) on june 21, 2021. Here is the link https://www.techmesto.com/guide-unlock-bootloader-nokia-android-phones/ (You must have a Windows machine)
I used it to unlock mine. It works

EDIT: It works. The timezone is EST as per my digging. I was able to unlock it for free.
Leaving below comment for historical reasons:
Their unlock works, apparently, 15 times a day, and the timezone is not mentioned. It is obviously an advertisement for their paid service.
From their website:
The OTP is valid for 15 minutes from generation.
Only 15 devices will be supported for unlocking in a day. After this further generation of OTPs will be disabled for the day.
Please contact us in case you have a bulk requirement.
There is no reason to believe they allow even 15 OTPs or even 1. Since they are obviously able to generate them in "bulk", I think it is best to not mention them here. Let them do their advertisement on Nokia forums.
Click to expand...
Click to collapse

cubancigar11 said:
Their unlock works, apparently, 15 times a day, and the timezone is not mentioned. It is obviously an advertisement for their paid service.
EDIT: From their website:
There is no reason to believe they allow even 15 OTPs or even 1. Since they are obviously able to generate them in "bulk", I think it is best to not mention them here. Let them do their advertisement on Nokia forums.
Click to expand...
Click to collapse
@cubancigar11 You should first try it before dismissing it as advertisement. I used it to unlock my bootloader a few months ago.

Thanks. I was also able to unlock it after many tries. I have edited my comment to reflect this. Unfortunately there "donate" link is broken, otherwise I would have donated $5 which they quote as price.

cubancigar11 said:
Thanks. I was also able to unlock it after many tries. I have edited my comment to reflect this. Unfortunately there "donate" link is broken, otherwise I would have donated $5 which they quote as price.
Click to expand...
Click to collapse
That is awesome . Happy bootloading @cubancigar11

Related

Honor View 10 Bootloader Unlock

"This guide is usesless now.. Becuase honor is now not providing bootloader unlock codes... If you already have unlock code then you can follow the setups.."
To install Magisk and gain root in your honor view 10 you have to unlock your bootloader first.
##Please backup your data before proceeding with the process. You will loose all your data if you unlock the bootloader. ##
Please follow below steps to unlock bootloader
1) Create a Huawei ID on this page https://goo.gl/GkkdxE if you don’t have one already.
2) After creating a Huawei id, fill out the details.
3) You will need your phone’s IMEI number, to know that dial * # * # 1357946 # * # * on the dialer app. Fill the required fields and click the Submit button.
4) Save the unlock code you received.
5) Now connect your Honor View 10 to the PC with a USB cable.
6) In the ADB command window, type the following command to boot your Honor View 10 into fastboot mode.
adb reboot bootloader
7) To unlock the bootloader, type the following command and hit Enter. Replace key with the unlock key you’ve previously saved. For example, fastboot oem unlock 44801904392841
fastboot oem unlock [unlock key]
after filling out the details it takes me to an error 404 page
grs1976 said:
after filling out the details it takes me to an error 404 page
Click to expand...
Click to collapse
Did you enable Developer options? USB debug? OEM Unlock?
grs1976 said:
after filling out the details it takes me to an error 404 page
Click to expand...
Click to collapse
Try this link https://emui.huawei.com/en/plugin.php?id=unlock
Enviado desde mi BKL-L09 mediante Tapatalk
Hey, I'm about to receive my V10, I just wanted to know, unlocking bootloader does cancel warranty right ? If so, relocking it (if possible) brings it back or not ? Thanks for your answer, never really care about this question with my op2 and was just wondering
D3FALT said:
Hey, I'm about to receive my V10, I just wanted to know, unlocking bootloader does cancel warranty right ? If so, relocking it (if possible) brings it back or not ? Thanks for your answer, never really care about this question with my op2 and was just wondering
Click to expand...
Click to collapse
The warranty is void even if you relock the bootloader. It shows relocked afaik
grs1976 said:
after filling out the details it takes me to an error 404 page
Click to expand...
Click to collapse
Chinese version of the webpage works.
https://emui.huawei.com/cn/plugin/unlock/index
D3FALT said:
Hey, I'm about to receive my V10, I just wanted to know, unlocking bootloader does cancel warranty right ? If so, relocking it (if possible) brings it back or not ? Thanks for your answer, never really care about this question with my op2 and was just wondering
Click to expand...
Click to collapse
Do not relock bootloader! Never! It might cause lots of trouble ... I had such experience.
Error 404
Hello guys,
i tried to get an unlock code but the button dissapeared on thr website and all the links direct you to a not found page error 404 message
How can i get a unlock code now?
Thanks
Schindi said:
Hello guys,
i tried to get an unlock code but the button dissapeared on thr website and all the links direct you to a not found page error 404 message
How can i get a unlock code now?
Thanks
Click to expand...
Click to collapse
Deleted. The links above do not work.
Einwod said:
Deleted. The links above do not work.
Click to expand...
Click to collapse
And do you know where to get a unlock code nowadays?
Schindi said:
And do you know where to get a unlock code nowadays?
Click to expand...
Click to collapse
I spent hours this afternoon going through the Huawei sites and could not find anything. Google only bring up the posts already here and a few others which redirect to the same 404 pages. Luckily my bootloader is already unlocked, but I find it very strange that Huawei have disabled their pages. Where to look now, I have no idea.
Einwod said:
I spent hours this afternoon going through the Huawei sites and could not find anything. Google only bring up the posts already here and a few others which redirect to the same 404 pages. Luckily my bootloader is already unlocked, but I find it very strange that Huawei have disabled their pages. Where to look now, I have no idea.
Click to expand...
Click to collapse
You need to contact them via e-mail or social (twitter), they will send you the code via email.
Einwod said:
I spent hours this afternoon going through the Huawei sites and could not find anything. Google only bring up the posts already here and a few others which redirect to the same 404 pages. Luckily my bootloader is already unlocked, but I find it very strange that Huawei have disabled their pages. Where to look now, I have no idea.
Click to expand...
Click to collapse
Okay thanks, at least I am not the only one that can´t finde the unlock code anymore
I wrote the huawei service on Facebook because their Email they have on the Emui Homepage can´t recieve Emails??
Don´t know whats up with them
Schindi said:
Okay thanks, at least I am not the only one that can´t finde the unlock code anymore
I wrote the huawei service on Facebook because their Email they have on the Emui Homepage can´t recieve Emails??
Don´t know whats up with them
Click to expand...
Click to collapse
War
Because the world is fixing to go to war.
That's why.
Not trying to discuss politics... Just saying
Sent from my HUAWEI BKL-L09 using XDA Labs
Pretoriano80 said:
You need to contact them via e-mail or social (twitter), they will send you the code via email.
Click to expand...
Click to collapse
I'm already unlocked. I was searching for the other member. Thing is, the OP should update the thread.
Tryed to reach Honor on Facebook and Twitter. No reaction.
Any news on getting honor to respond and helping you unlocking the bootloader on the BKL-L09?
I'm based in the UK.
I tried registering on https://emui.huawei.com/
it has all sort of countries listed including the vatican but it doesn't have any European UK US countries. I decided to pick hongkong, and registered nevertheless.
The unlock bootloader link as seen on youtube video guides doesn't show up on https://emui.huawei.com/ and any direct link point to error 404.
I sent an email to [email protected] and surprisingly, as it's the only email address available on the whole website, my email bounced back.
I'm in the situation where I'd like to have the ability 1-2 years from now to unlock the bootloader without any fuss. I could even consider unlocking the bootloader and voiding warranty now for fear of this option disappearing from honor completely in the future.
But if getting an unlock code is not an option, or if it won't be an option in the future I wish there was a way to know now so I can return the phone.
Thanks
varignet said:
Any news on getting honor to respond and helping you unlocking the bootloader on the BKL-L09?
I'm based in the UK.
I tried registering on https://emui.huawei.com/
it has all sort of countries listed including the vatican but it doesn't have any European UK US countries. I decided to pick hongkong, and registered nevertheless.
The unlock bootloader link as seen on youtube video guides doesn't show up on https://emui.huawei.com/ and any direct link point to error 404.
I sent an email to [email protected] and surprisingly, as it's the only email address available on the whole website, my email bounced back.
I'm in the situation where I'd like to have the ability 1-2 years from now to unlock the bootloader without any fuss. I could even consider unlocking the bootloader and voiding warranty now for fear of this option disappearing from honor completely in the future.
But if getting an unlock code is not an option, or if it won't be an option in the future I wish there was a way to know now so I can return the phone.
Thanks
Click to expand...
Click to collapse
Try [email protected] or call the hotline (0800 088 6900). In the Netherlands they were very helpful, although I still have to get my unlock code which I expect to receive tomorrow
Thanks will try it

[Official] Bootloader Unlock Codes

As you all know, the site to obtain bootloader unlock codes is currently down. It certainly has me distraught specifically for the View10 community which I'm working hard to grow and make successful. This is only a speed bump. I'm am still trying to figure out what is going on and working to get it back. (I don't directly handle it).
I know the very importance of having an easy method to unlock the bootloader of a device and this certainly has thrown a wrench into things.
So, to get around this hiccup, I have setup a Google form for users to fill out with the appropriate information in order to request a bootloader unlock code. One of my colleagues will have access to the spreadsheet that the data dumps into and will update it with the unlock codes. I will then email you your unlock code. Turn around time we're looking at is about ~24hrs (not including weekends).
This is not ideal but I feel this is the next best thing until we sort out the site and what exactly is going on.
I'm thankful for everyone's patience with this and all the developer's support for our device
Please follow this link to request an unlock code: Feel free to share this to other users as this is not specific to View10
https://goo.gl/forms/ZdYFEQXRzly9e2Bt2
Cheers,
Chris
UPDATE:
Having to halt unlock code requests and will be closing the form till further notice.
Our team is aware of the site being down and working to bring more info sometime in May.
Appreciate your understanding.
Chris
The unlock site is back! But at this time for only 60 days. If you need to unlock the bootloader of any Honor or Huawei devices please get the code now and keep it safe. If there are changes to this I'll keep everyone posted.
https://emui.huawei.com/en/unlock_detail
-Chris
Sending emails out to the first ~100 users requesting their unlock codes. It'll take time, please be patient.
Thanks!
Thanks for arranging alterative solution. Submitting one of my phone's details
In what format is device model number?
Huawei p20 pro CLT - L29 c636
Is this correct? ?
frewys said:
In what format is device model number?
Huawei p20 pro CLT - L29 c636
Is this correct? ?
Click to expand...
Click to collapse
Either are fine
Thank you! The phone looks incredible, I'm really looking forward to unlocking its full potential!
Unlocked! Thank you Chris!
Thanks for your great support Chris.
Can you also take some effort to provide the below:
1. VoLTE kernel sources to make utilize of custom roms to the full extent.
2. Regular EMUI updates for Indian version of View 10.
Thanks
We are currently out of lookup requests for unlock codes. We will have to request more Monday. We did not expect to receive over 1000 submissions in less than 72hrs.
[email protected]_USA said:
We are currently out of lookup requests for unlock codes. We will have to request more Monday. We did not expect to receive over 1000 submissions in less than 72hrs.
Click to expand...
Click to collapse
Wow! If only they left the link up. I do appreciate all of your support, going above & beyond what you initially intended to do I'm certain of that. Thank you for my code as well.
@[email protected]_USA
Hi chris,
i fill your forms and hope !
i think the problem is : china have firewall higher to disconnect chinese-user from out-country.
[email protected]_USA said:
Cheers,
Chris
Click to expand...
Click to collapse
Hi mate!
I really do hope that I wasn't too late guns you'll be able to get more codes...
My wife and me just bought 2 v10 some minutes ago and I hoped to unlock them as soon as possible... Now I hopefully will be able at all?
Thanks in advance and thanks for your work and efforts for the community - keep it up!!
Cheers,
René
Gesendet von meinem MHA-L29 mit Tapatalk
A boot loader unlock error occurs.
Please refer to the picture.
Is there a way to resolve the error code?
error code: "failed (remote: check password failed!)"
kischde said:
Hi mate!
I really do hope that I wasn't too late guns you'll be able to get more codes...
My wife and me just bought 2 v10 some minutes ago and I hoped to unlock them as soon as possible... Now I hopefully will be able at all?
Thanks in advance and thanks for your work and efforts for the community - keep it up!!
Cheers,
René
Click to expand...
Click to collapse
It needs just time because of so many requests
Rommco05 said:
Just question fastboot oem unlock?
Click to expand...
Click to collapse
china model(bkl-al20) ▶changed the status to bkl-l09
oem is unlocked.
also checked the usb debugging mode.
The current ROM is not bkl-al20, but bkl-l09.
The seller replaced the ROM.
[email protected]_USA said:
Either are fine
Click to expand...
Click to collapse
Tha k you it worked ?
Sent from my CLT-L29 using XDA Labs
Think the reason the bootloader unlock code does not recognize is probably because the device does not recognize it in adb mode or it recognizes the wrong number.
If the device is not recognized as adb mode, is the boot loader unlock code not recognized?
If there is a problem with device recognition, is there a way to recognize the device in adb mode?
If the bootloader unlock code is wrong, should we talk to @[email protected]_USA?
changikman said:
Think the reason the bootloader unlock code does not recognize is probably because the device does not recognize it in adb mode or it recognizes the wrong number.
If the device is not recognized as adb mode, is the boot loader unlock code not recognized?
If there is a problem with device recognition, is there a way to recognize the device in adb mode?
If the bootloader unlock code is wrong, should we talk to @[email protected]_USA?
Click to expand...
Click to collapse
I dont think the bootloader unlock code is wrong! But check again your settings...
You must enable Developer Options (7x click on Build Number in settings "About phone")
In Developer Options it is required to enable OEM Unlock.
And you must enable ADB Debugging in charging mode (before USB Debugging) and finally USB Debugging (if you enable USB Debugging before ADB Debugging, USB Debugging will not stay enabled and is disabled soon you leave the settings...)
If you have USB connected with the Phone (and the drivers must be installed automatically by windows, if not use HiSuite by Huawei to connect phone and close HiSuite after in the background) -
and you open Minimal ADB and Fastboot in administrative mode, type:
adb devices
On Phone Screen you receive a RSA Request and you must except with "always from this computer" and okay.
With:
adb reboot bootloader
you enter Fastboot Mode.
On Screen FRP must be unlocked
With:
fastboot oem unlock codexxx..
you flash the Unlock Code and confirm on phone screen.
After automatically Factoryreset reset with low-level wipe appears.
Unlock code for Indian user
[email protected]_USA said:
I'm thankful for everyone's patience with this and all the developer's support for our device
Please follow this link to request an unlock code: Feel free to share this to other users as this is not specific to View10
Cheers,
Chris
Click to expand...
Click to collapse
Dear Chris, I am a new Honor 8 Pro user from India. I have filled up the form above and was looking forward to the unlock code.
Thanks for all your efforts,
Regards, Abhas.
Just an update for everyone, having to halt unlock code requests and will be closing the form till further notice.
Our team is aware of the site being down and working to bring more info sometime in May.
Appreciate your understanding.
Chris

[ANE-LX1] OEM Unlocking

I bought ANE-LX1 (P20 Lite) on June 2018 and immediately unlocked the OEM from the developer options (automatic factory reset was done then), but i never rooted or installed custom rom, recovery...etc.
All updates was normally arriving and i was updating my phone regularly (current build is: ANE-LX1 8.0.0.170(C185)).
I decided to root my device using fastboot, but when the device is in recovery mode i can see:
Code:
Phone Locked -- (in green font color)
FRP Unlock -- (in red font color)
When i try to flash using fastboot i got:
Code:
FAILED (remote: Command not allowed)
While searching online i found that Huawei decided to lock bootloader for all users (so we buy their hardware which contains an opensource software and then they lock it... PERFECT!), and it seems that the only way now is to get the unlock code by contacting third-party codes providers, pay money and they guarantee to provide the correct unlock code (pay and pray) + I will have to expose my device information.
My questions are:
-How can i see in the developer options that my OEM is already unlocked, while the recovery is not convinced?
-Do i really have to unlock it again with the code "after purchasing it ofcourse -- which i will never do" (e.g. using fastboot)?
-Is there any solution from xda experts for my case rather than buying codes and exposing my device information or stay with a Locked bootloader?
(attached evidence images for a clearer view)
drive.google.com/open?id=1e9CepsHp2O541ZKGS0E6uqS2hBwp8ry1
drive.google.com/open?id=119eCoO4Z0TvydupLIsEv-r5lsGHOD4o0
drive.google.com/open?id=1IBA1nYnw_PU25VLPTzqSLswTpGMQxuXP
Thanks in advance for your kind support.
and Thanks Huawei for putting us as a development community in this situation, where we have to pay for the black markets to unlock our own phones in an unofficial way.
Yes please, shoot some answers!
alimerdan said:
I will have to expose my device information.
Click to expand...
Click to collapse
What do you expose?
bouncingsoul said:
Yes please, shoot some answers!
What do you expose?
Click to expand...
Click to collapse
IMEI, product S/N (if i correctly understood the process, i have to provide my device info so they can extract the bootloader unlock key)
According to the information that's available, the code used to unlock the bootloader is unlocked in a very complicated way and it's basically unique for everyone. Now, I don't know how much this is true and how and why these people got their hands on the "method" of creating the code, but no one has been able to find a way that's guaranteed to work or even work at all, except for, of course, these sites that make you pay for it. I hope I'm not mistaken and forgive me if I am, but I don't think there is any way to obtain the bootloader code manually or without exposing your information to random strangers on the internet.
Need to unlock bootloader with dc unlocker to get unique unlock code. Look guide bootloader unlocking

Asus ZenFone 7 Pro ZS671KS | Files | Unlock | Relock | Unbrick | ROMs

Files Only
Update1: 16-10-2020
Update2: 17-10-2020
Update3: 01-01-2021
Asus ZenFone 7 Pro ZS671KS
Asus I002D
ZS671KS Bootloader Relock
ZS671KS Bootloader Unlock
ZS671KS Google GCam
ZS671KS Manual
ZS671KS ROMs raw
ZS671KS ROMs UL
ZS671KS Root Magisk
ZS671KS TWRP Official
ZS671KS USB Drivers
ZS671KS VoLTE Need ROOT
From Asus:
https://www.asus.com/Phone/ZenFone-7-Pro-ZS671KS/HelpDesk_Download/
Google Play ASUSTek Computer Inc.
From XQ55:
All Asus ZenFone 7 Pro ZS671KS Asus I002D
From TWRP:
TWRP for ASUS ZenFone 7/7 Pro
---
ROMs:
WW= Worldwide
CN = China
TW = Taiwan
---
XQ55 said:
...
Click to expand...
Click to collapse
@XQ55 Download links have been removed that link to file hosts, which require a registration and/or are paid downloads!
XDA Forum Rules (excerpt):
...
11. Don’t post with the intention of selling something.
Don’t use XDA to advertise your product or service. Proprietors of for-pay products or services, may use XDA to get feedback, provide beta access, or a free version of their product for XDA users and to offer support, but not to post with the intention of selling. This includes promoting sites similar / substantially similar to XDA-Developers.com.
Do not post press releases, announcements, links to trial software or commercial services, unless you’re posting an exclusive release for XDA-Developers.com.
Encouraging members to participate in forum activities on other phone related sites is prohibited.
Off-site downloads are permitted if the site is non-commercial and does not require registration.
Off-site downloads from sites requiring registration are NOT encouraged but may be permitted if both of the following conditions are met:
A) The site belongs to a member of XDA-Developers with at least 1500 posts and 2 years membership, who actively maintains an XDA-Developers support thread(s) / posts, related to the download.
B) The site is a relatively small, personal website without commercial advertising / links (i.e. not a competitor forum-based site with purposes and aims similar to those of XDA-Developers.com.)
...
Click to expand...
Click to collapse
Oswald Boelcke said:
@XQ55 Download links have been removed that link to file hosts, which require a registration and/or are paid downloads!
XDA Forum Rules (excerpt):
Click to expand...
Click to collapse
All my links are free and even paid by me to be free for people
I have more Than
5607 Folders
16564 Files
Asus flash tool for ZS670KS\ZS671KS
http://www.mediafire.com/file/k5h5v8zthw6cr8d/AFT_ASUS.zip/file
The 7 pro and 6 are the ONLY phones I have had the experience of saying they do NOT need to be rooted..
It will record phone calls. It will come straight out the box with the least amount of bloat I ever seen. Also once Its bootunlocked I hear that some things will stop working like google pay. Its also a gamble to root cause its very new. I havent found a reason to root it.. The phone is a beast and really is super clean in and out.. I surely hope I can figure out WHY is not getting 4g and 5G on ATT
Can someone confirm if I unlock the bootloader (only to install TWRP for emergencies) will I lose OTA updates?
Because that's what I understand from the warning in the unlocked apk.
Thank you
dogoku said:
Can someone confirm if I unlock the bootloader (only to install TWRP for emergencies) will I lose OTA updates?
Because that's what I understand from the warning in the unlocked apk.
Thank you
Click to expand...
Click to collapse
From experience with Asus devices , you will loose Ota updates if you unlock with official tool. What happens generally is that the serial number of the device is sent to Asus servers through the tool to stop sending updates , only manually. You can unlock unofficially if there's the possibility.
jide1 said:
From experience with Asus devices , you will loose Ota updates if you unlock with official tool. What happens generally is that the serial number of the device is sent to Asus servers through the tool to stop sending updates , only manually. You can unlock unofficially if there's the possibility.
Click to expand...
Click to collapse
I see, thank you
dogoku said:
Can someone confirm if I unlock the bootloader (only to install TWRP for emergencies) will I lose OTA updates?
Because that's what I understand from the warning in the unlocked apk.
Thank you
Click to expand...
Click to collapse
My BL is unlocked and I've never received an OTA update, even after the full update has been made available via the Asus website.
I unlocked the bootloader using the unlock tool from Asus and it works (@dogoku I did lose OTA updates, but manual updates work), but now I want to relock it. I tried "fastboot oem asus-back" but it returns the error (along with any other fastboot command I tried):
FAILED (remote: 'Command not supported in default implementation')
fastboot: error: Command failed
What could be causing that error?
zenfone-user said:
I unlocked the bootloader using the unlock tool from Asus and it works (@dogoku I did lose OTA updates, but manual updates work), but now I want to relock it. I tried "fastboot oem asus-back" but it returns the error (along with any other fastboot command I tried):
FAILED (remote: 'Command not supported in default implementation')
fastboot: error: Command failed
What could be causing that error?
Click to expand...
Click to collapse
I don't use this device ,but from experience with asus devices , u can flash with a service/fastboot firmware and bootloader will be locked back , but you've lost ota updates for good.
What do you mean to flash with a service/fastboot firmware? Do you mean installing the firmware on Asus's support page?
zenfone-user said:
What do you mean to flash with a service/fastboot firmware? Do you mean installing the firmware on Asus's support page?
Click to expand...
Click to collapse
If u don't know what that is ,u better relock with the file in the original post. Check "bootloader relock"
The original post to relock is a text file with the command "fastboot oem asus-back" which is what I tried (and have seen elsewhere on the internet for the Zenfone 7), but it gave the error in my first post.
zenfone-user said:
The original post to relock is a text file with the command "fastboot oem asus-back" which is what I tried (and have seen elsewhere on the internet for the Zenfone 7), but it gave the error in my first post.
Click to expand...
Click to collapse
Uhm, the command is actually asus-lock, I don't know where you got "back" from. So you should be putting in
"fastboot oem asus-lock"
I keep getting this error: "failed to unlock your device, please try again later".
Factory reset over and over, serial is in settings, brand new phone out of the box today. I added a google account after factory reset, nothing, I gave it Asus account after factory reset, same error.
What can I do? Should I do the firmware/software update?
I
sutur said:
I keep getting this error: "failed to unlock your device, please try again later".
Factory reset over and over, serial is in settings, brand new phone out of the box today. I added a google account after factory reset, nothing, I gave it Asus account after factory reset, same error.
What can I do? Should I do the firmware/software update?
Click to expand...
Click to collapse
For anyone reading this, wondering why there isn't a more descriptive error:
Unlocking your bootloader on this model goes against what a lot of us have learnt over the years. The general rule of thumb is never to update before unlocking, as the procedure for unlocking is specific to a certain release, and manufacturers frequently remove the ability to unlock in later releases.
Why they do this is obvious, they don't actually know what people will do with their hardware given the appropriate power to do so.
In the case of this phone, you do have to do the firmware update before the current unlock tool will work, as at the time of writing.
You don't need a Google or Asus account or any other crap.
Hope this helps someone else.
wheres tutorial to unbrick?
zedogas said:
wheres tutorial to unbrick?
Click to expand...
Click to collapse
How bricked are you talking?
I answered a similar question in Q&A, the second post. That is if you can only boot into fastboot mode. but it also works if you are stuck in a bootloop or any other software issue.
If you can't even power the phone on, you will need to use a hair dryer or heat gun to remove the back and then disconnect the battery, then plug in a usb cable to see if the device still powers on. if it does unplug it and reconnect the battery. then try powering it on again.
If you unplug the battery and plug in a usb cable and it still does nothing, then it is completely bricked and probably beyond the technical expertise an average person is willing to put in to attempt to fix.
Stuck at CSC FastBoot Mode
Hello everyone, i yesterday i bought secondhand Asus Zenphone 7 PRO stucked at CSC Fastboot MODE When i turn on the phone it pops android icon for 1 sec then it goes automatically to CSC FastBoot Mode, then you can choose between START, Restart...
forum.xda-developers.com
Help a lot! zf7 bricked in fastboot...

ASUS-ME302KL- i can't unlock the bootloader

hello. first of all i don't speak english and i use google translate and i'm sorry for that.
I have an asus-me302kl tablet. I wanted to install twrp but now it's locked. I installed firmware with rawdate but it has no function. I need help unlocking the bootloader. recovery mode does not turn on either. I am wondering if there is a pat file or some other method to unlock the bootloader. Thanks in advance. I hope I was able to explain myself.
please help
civan34 said:
please help
Click to expand...
Click to collapse
This low-end tablet is heavily outdated ( 7 years old ), means you won't find a TWRP suitable to it.
jwoegerbauer said:
This low-end tablet is heavily outdated ( 7 years old ), means you won't find a TWRP suitable to it.
Click to expand...
Click to collapse
First of all, thanks for the answer. this tablet is a customer tablet. and it's my fault that it's locked. For this I need to unlock the bootloader. is there no tool to flash the software? I managed to install the .rawdata firmware. and the device has root permission but I couldn't go further. Now I'm waiting like this.
@civan34
My suggestion:
Re-flash tablet's Stock ROM ( is a ZIP-file ) to bring tablet back to its initial state ( what includes flashing the Stock Recovery ).
When that's done you can start to unlock tablet's bootloader by means of Fastboot, if it's not denied by OEM/Carrier.
If tablet's bootloader got successfully unlocked you can try to flash LineageOS v15 ( Android 8 Oreo ) onto tablet.
jwoegerbauer said:
@civan34
My suggestion:
Re-flash tablet's Stock ROM ( is a ZIP-file ) to bring tablet back to its initial state ( what includes flashing the Stock Recovery ).
When that's done you can start to unlock tablet's bootloader by means of Fastboot, if it's not denied by OEM/Carrier.
If tablet's bootloader got successfully unlocked you can try to flash LineageOS v15 ( Android 8 Oreo ) onto tablet.
Click to expand...
Click to collapse
I can't install the stock firmware. Doesn't allow flashing over fastboot. Doesn't allow flashing via recovery mode. Is there a program to install stock firmware?
@civan34
A Stock ROM gets flashed by means of ADB
Example command sequence:
Code:
adb devices
adb reboot sideload
adb sideload <FULL_PATH_TO_STOCK_ROM_ZIP_ON_PC>
adb reboot
jwoegerbauer said:
@civan34
A Stock ROM gets flashed by means of ADB
Example command sequence:
Code:
adb devices
adb reboot sideload
adb sideload <FULL_PATH_TO_STOCK_ROM_ZIP_ON_PC>
adb reboot
Click to expand...
Click to collapse
I am a little novice at the command line and do not know how to type the command you typed. Should I type as you wrote, or do I need to change the name of the zip on the computer?
my command
(adb sideload stock.zip) and I get read error for this command.Since I don't speak English, I didn't understand exactly how to write the command. I don't want to overwhelm you, sorry for that
I'm in the same boat.
I picked up 4 of these from an auction. I can't unlock any of them, because the Asus tool, (ME302KL_UnlockTool_Instructions) zip file, no longer works. TWRP is available 3.2, link is below. I have rolled back to the stock ROM on 2 of the machines, no joy. Any suggestions or guidance, would be greatly appreciated. Thanks.
https://forum.xda-developers.com/android/general/recovery-twrp-3-1-1-0-asus-me302kl-t3609759
Link to Asus Unlock file
https://drive.google.com/file/d/1mzntnfm5OlHbKd1cYkd1YEFs6CYeKqmn/view?usp=sharing
jbone899 said:
I picked up 4 of these from an auction. I can't unlock any of them, because the Asus tool, (ME302KL_UnlockTool_Instructions) zip file, no longer works. TWRP is available 3.2, link is below. I have rolled back to the stock ROM on 2 of the machines, no joy. Any suggestions or guidance, would be greatly appreciated. Thanks.
https://forum.xda-developers.com/android/general/recovery-twrp-3-1-1-0-asus-me302kl-t3609759
Link to Asus Unlock file
https://drive.google.com/file/d/1mzntnfm5OlHbKd1cYkd1YEFs6CYeKqmn/view?usp=sharing
Click to expand...
Click to collapse
I contacted Asus a few times about this Bootloader issue, but today I took a different approach. It appears they Blacklisted the ME302KL from the servers, because it is EOL. I made it clear to them. that I can't access the Asus Cloud or any other Asus tool loaded on the machine and I can't do OTA updates either. I made it clear that I should be able to at a minimum be able to upgrade to 4.4.4 from 4.2.2 after resetting the device. They agreed and are escalating the issue up the food chain.
My hope is they remove it from the blacklist which will fix the "Network Error" message when trying to use the Unlock Tool for the bootloader. I will circle back around, once I hear back from them....
jbone899 said:
I contacted Asus a few times about this Bootloader issue, but today I took a different approach. It appears they Blacklisted the ME302KL from the servers, because it is EOL. I made it clear to them. that I can't access the Asus Cloud or any other Asus tool loaded on the machine and I can't do OTA updates either. I made it clear that I should be able to at a minimum be able to upgrade to 4.4.4 from 4.2.2 after resetting the device. They agreed and are escalating the issue up the food chain.
My hope is they remove it from the blacklist which will fix the "Network Error" message when trying to use the Unlock Tool for the bootloader. I will circle back around, once I hear back from them....
Click to expand...
Click to collapse
No joy. Asus says they are under contract with AT&T. The ME302KL has been black listed and Asus will not add it back to the unlock tool or provide any support AT ALL!. They keep telling me the unlock tool isn't theirs. But the amount of times Asus's name is used in the EULA, tells me otherwise. I'm waiting to hear back from AT&T on their position on the matter. Stay tuned...
Ok campers, i have a work around for the ME302KL AT&T bootloader issue. I just verified AT&T can unlock the devices, they just verified 3 devices for me. Only catch, you have to have an account with them.
So, If you like people actually being able to hear you on a call, you probably have a different service, like i do. Based on the call, there are really only 2 options. Option 1, Harassment. Someone you know, has them as their provider. A family member, a friend maybe your priest. So, my suggestion is to harass them into they adding the device, under their plan. They only need to do it long enough, for you to get it upgraded. Once AT&T unlocks it, upgrade the OS, add TWRP and create a custom recovery that never goes back to KitKat. then, have them cancel it off their account. At the most, you're looking at $25 for the month, if anything at all.
Option 2 - Go Prepaid for a couple of months. This one is tricky based on the T&C's on their website. You will need to create a new account, $30 for 5 5gb a month. No contract and what you don't use, rolls over to the next month. Make sure to read their T&C's ased on new prepaid accounts with BYOD. I told the agent I wanted to Only use broadband service, no phone for when im working in the field, until i'm still under contract with Verizon. She pitched services, i dodged and evaded. She told me a month to month prepaid plan was doable, to get it unlocked. They would be able to unlock it for free and so i could upgrade the OS. So, it's not too terrible, just annoying to jump through so many hoops. The first option, would be the easiest.
These are just suggestions. I take no responsibility if you brick the device once it's unlocked. It is AT&T and the device may be commiting suicide in lieu of being on their Network. :0)
I sent the message to AT&T with imei of my ME302KL but the answer is been "the manufacturer doesn't have an unlock code for this device".
Help me to unlock my device.

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