(error 20091) - Xiaomi Redmi 4X Questions & Answers

please help me to unlock the bootloader . when i add mi account to mi unlock status its showing error 20091 help me to find how i can unlock the bootloader

Kindly check this thread, see if that helps. read carefully and then proceed at your risk.
https://forum.xda-developers.com/mi-5s/help/please-error-20091-ubl-solution-t3826919

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please help. how did you exactly unlocked bootloader???????

PLEASE HELP. whenever i try to unlock bootloader it always gets stuck at 99% showing 'current account is not bound this device'. i am unlocking using account which got unlock permission 3 months ago.
I am on global stable rom. I tried changing to dev rom through updater app but it shows 'cant verify update' or 'you are allowed to flash only latest developer rom'.
Please tell me exactly how do i unlock my bootloader.
Create a new account. Then apply for unlock. And add this new account to your device. You will be able to unlock after a days. Meanwhile keep trying to unlock. It takes 3-4 days before you can unlock.
[email protected]!$h said:
PLEASE HELP. whenever i try to unlock bootloader it always gets stuck at 99% showing 'current account is not bound this device'. i am unlocking using account which got unlock permission 3 months ago.
I am on global stable rom. I tried changing to dev rom through updater app but it shows 'cant verify update' or 'you are allowed to flash only latest developer rom'.
Please tell me exactly how do i unlock my bootloader.
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Click to collapse
Please bind your account to the device in Mi unkock status at developer option
Just wait patiently, no need to create new account, I assume you have got your permission for unlocking? Then add that same account which you got permission from to your device and use your device normally, after 10- 15 days try unlocking again with latest mi unlock tool, it will unlock in one click, I have unlocked many devices with same account

How to unlock bootloader if imei deleted ?

Hello folks .my k20pro has locked bootloader and deleted imei.So I cant add my mi account and unlock bootloader.Is there any way to unlock bootloader? Can i unlock it with test points method?
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devilunix said:
Hello folks .my k20pro has locked bootloader and deleted imei.So I cant add my mi account and unlock bootloader.Is there any way to unlock bootloader? Can i unlock it with test points method?
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Click to collapse
I couldn't say for definite, but you probably could unlock it by entering EDL mode via the test point method. But it will need an authorised account to do it. There's a Russian guy, whose contact details you'll find in these forums, that will do it remotely, or you can try s-unlock, either option will cost about the same.
Sounds like the only other option would be a service centre.
i will give it a try.btw who is that guy.i cant find him.Pm pls
devilunix said:
i will give it a try.btw who is that guy.i cant find him.Pm pls
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This guide gives details on EDL flashing. The OP uses s-unlock.
https://forum.xda-developers.com/k2...h-how-to-fix-hard-brick-t3968400/post80248583
Later in the thread are the details to contact the Russian guy with an authorised Mi account.
https://forum.xda-developers.com/k2...h-how-to-fix-hard-brick-t3968400/post80299317
Robbo.5000 said:
This guide gives details on EDL flashing. The OP uses s-unlock.
https://forum.xda-developers.com/k2...h-how-to-fix-hard-brick-t3968400/post80248583
Later in the thread are the details to contact the Russian guy with an authorised Mi account.
https://forum.xda-developers.com/k2...h-how-to-fix-hard-brick-t3968400/post80299317
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thanks alot
devilunix said:
Hello folks .my k20pro has locked bootloader and deleted imei.So I cant add my mi account and unlock bootloader.Is there any way to unlock bootloader? Can i unlock it with test points method?
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Click to collapse
deleted imei ? you found the phone or something ?

I can't add an account and device to Mi Unlock status on my mi 8 bricked phone

hello guys so i tried to flash my mi8 using miflash and it was unlocked and i forgot to check just clear all and my device got locked and i cant boot to system so i tried to unlock it using mi unlock but it said i should add an account to my mi unlock status in developers option but the phone is bricked please i need some help.

Question Eror 1004 in bootloader unlock ,Plzz

Mi11T Pro Bootloader unlock problem
sorry,i'm newbie and broken english
I read forum to unlock bootloader,first time i use office computer.Problem = no otp to my tel.numberi try many way until can unlock and wait for 168 hr,,,
But when i at home i read caution ,,no sign out mi , no add mi device again ,,i try again and can unlock wait 168 again ,,
2 Time Critical problem is very hard to recieve otp ,, next day i found otp bypass version ,,i do again but can't add with my number ,i delete mi and sign with another number
Now 7 day later , It Can't unlock
EROR 1004
Please Help Me
YoKz987 said:
Mi11T Pro Bootloader unlock problem
sorry,i'm newbie and broken english
I read forum to unlock bootloader,first time i use office computer.Problem = no otp to my tel.numberi try many way until can unlock and wait for 168 hr,,,
But when i at home i read caution ,,no sign out mi , no add mi device again ,,i try again and can unlock wait 168 again ,,
2 Time Critical problem is very hard to recieve otp ,, next day i found otp bypass version ,,i do again but can't add with my number ,i delete mi and sign with another number
Now 7 day later , It Can't unlock
EROR 1004
Please Help Me
Click to expand...
Click to collapse
Check that you have performed the procedure correctly;
https://c.mi.com/thread-2262302-1-0.html
Try logging in with an email address.
Check here that your phone is present:
https://us.i.mi.com/
NOSS8 said:
Check that you have performed the procedure correctly;
https://c.mi.com/thread-2262302-1-0.html
Try logging in with an email address.
Check here that your phone is present:
https://us.i.mi.com/
Click to expand...
Click to collapse
Thx.. I'll try again
I successfull,,
Only log in mi account with Qr code
I'm Thai
first of all use officail MI unlock tools, second [email protected] the buypass, if they tell you to wait 168h then wait , after 7 days use Mi unlock and unlock your bootloader!!
what is that program from picture did you use ? what is that?
do you know how Mi unlock looks like?
I use MiflashTH,,
It have mi unlock ,miflash ,sp flash ,,bla bla
That i tell i success i try with official mi unlock,,only log inwithqr code it workfor thailand,,

MI account won't stay on mi unlock status

hey guys can someone please help me? I already unlocked my phone once but it soft bricked, when after flashing the firmware and the phone booted back to system it didn't have the IMEIS anymore, so I looked for weys to restore my imei but I need the bootloader to be unlocked again, but when I enter to mi unlock status the account won't stay as shown on screenshots.

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