Develop Bugs

Bootloader unlock problems?

Hello,
I bought a 64gb version throw gearbest and they installed a vendors version 7.3.14.0.0 not oficial rom. With defeats the purpose of the bootloader being locked.
I want to install the original miui 8 china or miui 8 from xiaomi.eu.
If I unlock my bootloader by submitting the request to xiaomi what I lose? What are the disavantages?
Does the fingerprint reader works on a bootloader unlocked phone with official miui 8 china?
Does it work with xiaomi.eu rom?
What are the features that cease to work with an unlocked bootloader with these two roms?
If I install xiaomi.eu rom without unlock the bootloader using Doom Slayer method I must not update by OTA or I will brick it, right?
And oficial miui 8 can I update by OTA?
Sorry for these questions but is my first xiaomi with locked bootloader and don't want to screw up by not knowing the consequences of each method?
Thanks in advance

filtragem said:
Hello,
I bought a 64gb version throw gearbest and they installed a vendors version 7.3.14.0.0 not oficial rom. With defeats the purpose of the bootloader being locked.
I want to install the original miui 8 china or miui 8 from xiaomi.eu.
If I unlock my bootloader by submitting the request to xiaomi what I lose? What are the disavantages?
Does the fingerprint reader works on a bootloader unlocked phone with official miui 8 china?
Does it work with xiaomi.eu rom?
What are the features that cease to work with an unlocked bootloader with these two roms?
If I install xiaomi.eu rom without unlock the bootloader using Doom Slayer method I must not update by OTA or I will brick it, right?
And oficial miui 8 can I update by OTA?
Sorry for these questions but is my first xiaomi with locked bootloader and don't want to screw up by not knowing the consequences of each method?
Thanks in advance
Click to expand...
Click to collapse
The fingerprint will work. But Find phone will not work and it will not be secure. But your phone will be less secure like if gets stolen anybody can flash firmware and you will be loser. With find my phone nobody could even flash firmware . I have got permission within 2 days for unlocking but i have not done but i have flashed chinese firmware by using miflash. the link is here http://en.miui.com/thread-326039-1-1.html. it is very safe that way.

seking said:
The fingerprint will work. But Find phone will not work and it will not be secure. But your phone will be less secure like if gets stolen anybody can flash firmware and you will be loser. With find my phone nobody could even flash firmware . I have got permission within 2 days for unlocking but i have not done but i have flashed chinese firmware by using miflash. the link is here http://en.miui.com/thread-326039-1-1.html. it is very safe that way.
Click to expand...
Click to collapse
Security is not about flashing, is about protecting your data. Encryption makes phone more secure, not locked bootloader. We have ways to flash whatever we want with locked bootloader... how about that? Do you still fil secure?

Thank you both,
@seking for what I could understand this is the xiaomi.eu rom with even more stuff, right?
Do you have the helium version?
For that rom you just need the miflash to flash the rom via fastboot, right?
This is different from the Doom Slayer method because with it we fastboot the TWRP recovery and then use it to flash the xiaomi rom.
@nijel8, that is my question also the locked bootloader doesn't add security, gearbest flashed a custom rom even with it locked, so the security reason isn't a valid one.
Partition encrypting is only available when the bootloader is locked? If so that is one feature that is gone with unlocking.
If one unlock the bootloader can later lock it again?
With the bootloader locked we can't use miflash tool to flash fastboot rom, right? Only using EDL, and even then from what I could understand the system and data partition need to be formatted and that removes the encryption...
I just want to get rid of a rom that I don't know what is it and install a oficial rom or a rom from good sources like xiaomi.eu
After replace my rom can I update it by OTA or after I must update only by fastboot ot TWRP?
Thanks again

Bootloader status has nothing to do with encryption. Encryption always is a user option in any ROM... Not sure about MIUI though b/c they enforce encryption on both system and userdata partitions in ramdisk fstab so no user choice as far as I know. And yes... You can always lock bootloader back but will loose your data in process.
Not going to answer the second set of questions (see my signature ) not b/c I don't know but b/c never done it myself so yeah...

mi max is comparatively new phone. there are notnmany roms. development still new. therefore be careful of what you flash. for hardbrick solving we have to open the back cover which is risky. i have taken the safe mthod of not unlocking it. i flashed the rom on the locked rom with miflash via EDL. one can always flash the official rom through twrp and you will be safe.

Thanks a lot you two.
Trying to get the most information before doing something wrong.

Don't worry... Mi Max poves to be die hard phone...

I bought the Chinese version of MIX3, but I want to FLASHi the international ver。

I saw an international version of the ZIP package coming out. OTA cannot be upgraded directly.
What should I do?
thanks.
I prefer to FLASHthe Xiaomi International Edition ROM, which will retain more of Xiaomi's features.

newfantasy123 said:
I saw an international version of the ZIP package coming out. OTA cannot be upgraded directly.
What should I do?
thanks.
I prefer to FLASHthe Xiaomi International Edition ROM, which will retain more of Xiaomi's features.
Click to expand...
Click to collapse
Unlock bootloader, flash twrp, flash the global zip mentioned several times in the forum. Better with EU chinese ROM as more features than global

Mackay53 said:
Unlock bootloader, flash twrp, flash the global zip mentioned several times in the forum. Better with EU chinese ROM as more features than global
Click to expand...
Click to collapse
Thank you, but I saw the EU version of the ROM, can not re-lock the bootloader, do not know if there will be anything bad.

newfantasy123 said:
Thank you, but I saw the EU version of the ROM, can not re-lock the bootloader, do not know if there will be anything bad.
Click to expand...
Click to collapse
Correct. If you try and lock the bootloader on the EU Chinese ROM or Global it's good bye phone.
If you don't unlock bootloader you'll be stuck on the Chinese ROM forever.

Mackay53 said:
Correct. If you try and lock the bootloader on the EU Chinese ROM or Global it's good bye phone.
If you don't unlock bootloader you'll be stuck on the Chinese ROM forever.
Click to expand...
Click to collapse
thank you very much.
Is there any bad things after unlocking the bootloader?

newfantasy123 said:
thank you very much.
Is there any bad things after unlocking the bootloader?
Click to expand...
Click to collapse
No. I've had an unlocked bootloader for about the last ten years.

Hi, I just purchased one mi mix 3 chinese version. I am new to unlocking bootloader and flashing TWRP . Can someone please point me to the correct thread that gives details on how to unlock boot loader and flash twrp.
Thanks in advance.

pangag said:
Hi, I just purchased one mi mix 3 chinese version. I am new to unlocking bootloader and flashing TWRP . Can someone please point me to the correct thread that gives details on how to unlock boot loader and flash twrp.
Thanks in advance.
Click to expand...
Click to collapse
Go back to the guides, news, & discussion thread

Mackay53 said:
Go back to the guides, news, & discussion thread
Click to expand...
Click to collapse
Nice Direction......

Relocking the bootloader
Question, Can I lock the bootloader after flashing the official global rom on the Chinese version? or it's also bye bye phone?

Eran baruch said:
Question, Can I lock the bootloader after flashing the official global rom on the Chinese version? or it's also bye bye phone?
Click to expand...
Click to collapse
Bye bye phone

possible use gpay with global on chinese phone with unlocked bootloader?

Why would you want to lock the bootloader?

Well?

ToneLa said:
Well?
Click to expand...
Click to collapse
Well what? If they want to lock the bootloader they can lock the bootloader.

That doesn't answer why! if it bricks the phone it might be useful to understand the process a bit fuller. I'm buying the Chinese version myself so want to be aware of why you'd want to lock the bootloader again

ToneLa said:
That doesn't answer why! if it bricks the phone it might be useful to understand the process a bit fuller. I'm buying the Chinese version myself so want to be aware of why you'd want to lock the bootloader again
Click to expand...
Click to collapse
Return to stock, to sell, improve security, warranty etc
You'll only brick it if you install and lock the global ROM on a Chinese device, Chinese rom on a global device, or lock on the Chinese EU ROM

Cool. So if I get the Chinese one I'll put the EU one on.
I don't think I'd need to worry about locking the bootloader for a long time. I want this phone to last a few years and it seems reliable enough. And the processes will improve all the time.
Thanks!

ToneLa said:
Why would you want to lock the bootloader?
Click to expand...
Click to collapse
Locking the bootloader is for certain applications and features that requires a more "secure" phone, since an unlocked bootloader is considered not "secure".
Payment Applications, Banking Applications, and DRM applications (Netflix) and such requires the phone to have a locked bootloader, or it will not work.

LiFE1688 said:
Locking the bootloader is for certain applications and features that requires a more "secure" phone, since an unlocked bootloader is considered not "secure".
Payment Applications, Banking Applications, and DRM applications (Netflix) and such requires the phone to have a locked bootloader, or it will not work.
Click to expand...
Click to collapse
Are you forgetting Magisk? I'm unlocked since surviving 72 hours of stock locked hell. All my banking apps and Google pay have worked for the past 2 months.
BTW stock Chinese or Dev or Global are garbage compared to the EU version anyways.

China to custom rom

Hello, my question is nearly same the last one from arifmiui. I'm thinking about buying this phone, i read how too unlock bootloader, flash twrp and install custom. My question is, no problem for doing this with china firmware ? Thx

Same thought
bretzelpopo said:
Hello, my question is nearly same the last one from arifmiui. I'm thinking about buying this phone, i read how too unlock bootloader, flash twrp and install custom. My question is, no problem for doing this with china firmware ? Thx
Click to expand...
Click to collapse
I'm thinking on doing the same, if someone knows please reply. Dunno if it'll work because the china version uses different radio bands.

Question Carrier ROM not updating since miui 12.5.5. Is there anything I can do to fix this?

Hi, my carrier purchased 'Lisa' came with its ROM showing as version RKOEUBY.
My carrier isn't keeping up with updates so was wondering if I can just flash the ROM RKOEUXM without unlocking the bootloader?
I have my banking apps etc on this phone so am reluctant to unlock the bootloader unless absolutely necessary.
If anyone else has found an easy way to solve this would be grateful for your feedback.
Many thanks

rockyrobin said:
Hi, my carrier purchased 'Lisa' came with its ROM showing as version RKOEUBY.
My carrier isn't keeping up with updates so was wondering if I can just flash the ROM RKOEUXM without unlocking the bootloader?
I have my banking apps etc on this phone so am reluctant to unlock the bootloader unless absolutely necessary.
If anyone else has found an easy way to solve this would be grateful for your feedback.
Many thanks
Click to expand...
Click to collapse
Hi !
The best way is to download the zip of your European ROM from the Xiaomi site and try to install it from the update utility in your phone's settings. If that doesn't work, you'll have to unlock your bootloader, install the ROM you want with the flash utility, and choose the relock option before the install starts. Then you will be on an official Xiaomi ROM, with your bootloader locked and you will have updates from Xiaomi and no longer from your operator.
Bill

Hi,
I confirm that manually flashing the European ROM does not work (in my case at least), so I am stuck on MIUI 12.5.6 with RKOEUSF ROM.
If anyone finds a way to upgrade to the official version without unlocking the bootloader, and therefore not breaking the warranty, I would be grateful if you could share it.
Thanks

Hi !
From the moment you want to install a new ROM, you have no choice but to unlock your bootloader. You can then reblock it. Afterwards, I don't know if the warranty is impacted because you go through the official unlocking from Xiaomi.
Bill

Thanks Bill,
I've just tried flashing the zip of my ROM and the phone just quits the update after a long pause, saying that it cannot verify update.
Guess I'll have to unlock the bootloader. There's plenty of info about how to do this, but I've noticed a number of people complaining about the flash process.
When they apply the update, at the end they get an error message. The only way they get round this is with an edit of the settings of miflash.
Is this something I need to worry about?

Just been reading about these errors and it appears that they are caused by the path to the ROM file having too many characters.
Placing the ROM file in your C: folder solves this.

miui 13 update !!?

hi every one!
i just bought the mi 10T global version a week ago and update it to miui 12.0.11 and didn't recieve any ohter OTA.
I'm wondering if it is safe and possible to update it directly to miui 13.0.6 via recovery mod? or i need to pass all other version?
Thanks in advance

PowerHero said:
hi every one!
i just bought the mi 10T global version a week ago and update it to miui 12.0.11 and didn't recieve any ohter OTA.
I'm wondering if it is safe and possible to update it directly to miui 13.0.6 via recovery mod? or i need to pass all other version?
Thanks in advance
Click to expand...
Click to collapse
Is the bootloader unlocked?

PowerHero said:
hi every one!
i just bought the mi 10T global version a week ago and update it to miui 12.0.11 and didn't recieve any ohter OTA.
I'm wondering if it is safe and possible to update it directly to miui 13.0.6 via recovery mod? or i need to pass all other version?
Thanks in advance
Click to expand...
Click to collapse
Xiaomi suspended upgrade process from A10 to A11 or 12 so you'll need to unlock the bootloader and flash latest fastboot rom with MiFlash.

zaqm said:
Xiaomi suspended upgrade process from A10 to A11 or 12 so you'll need to unlock the bootloader and flash latest fastboot rom with MiFlash.
Click to expand...
Click to collapse
Sources?

NOSS8 said:
Is the bootloader unlocked?
Click to expand...
Click to collapse
no it's locked it's brand new phone

zaqm said:
Xiaomi suspended upgrade process from A10 to A11 or 12 so you'll need to unlock the bootloader and flash latest fastboot rom with MiFlash.
Click to expand...
Click to collapse
is it safe ? and will it be still official

PowerHero said:
no it's locked it's brand new phone
Click to expand...
Click to collapse
Try to download the latest rom in Android 10 rom and update (3 dots at the top right). Same procedure for A11 and A12,first and last.
If nothing works, unlock the bootloader and use Miflash.
https://new.c.mi.com/global/post/101245
https://en.miui.com/unlock/index.html

If you unlock the bootloader,try these roms,better than stock.
Weekly https://xiaomi.eu/community/threads/22-10-26.67225/
Stable https://xiaomi.eu/community/threads/miui-13-stable-release.64441/

You MUST unlock bootloader and install official global rom via fastboot and mi flash utility using PC. Once you unlock bootloader DON`T lock it again!!!!! I did all that few days ago since i wasn`t receiving any OTA updates either. Phone works like a charm.
Apply for unlocking Mi devices
en.miui.com
Xiaomi Community
c.mi.com
Use this video guide and you`re good to go. Step by step....

ExorcistSRB said:
You MUST unlock bootloader and install official global rom via fastboot and mi flash utility using PC. Once you unlock bootloader DON`T lock it again!!!!! I did all that few days ago since i wasn`t receiving any OTA updates either. Phone works like a charm.
Apply for unlocking Mi devices
en.miui.com
Xiaomi Community
c.mi.com
Use this video guide and you`re good to go. Step by step....
Click to expand...
Click to collapse
The problem if you do not lock the bootloader, the play store will not be certified, which means that certain apps like Netflix, will not be available, also certain banking apps will not work. The solution being to root and use Magisk hide .
Locking the bootloader is possible provided your phone is not a Chinese version.
All this is useless with a Xiaomi Eu rom (playstore certified without root).
BTW:
Your first link has already been posted.
The second ?.
The third has nothing to do with the subject.

Didn`t have time to read all so i posted what he needs to get the update. Second link is where to get the rom, and third link of video tutorial has everything to do with subject because guy in the video shows how to flash official rom to your phone and what to do if flashing gives error. So it was meant for him to watch, not for others who need netflix. But if he needs netflix he can just ignore most of recommendations here and just root his phone if he knows how and finds some simple way so he doesn`t brick his phone

ExorcistSRB said:
Didn`t have time to read all so .
Click to expand...
Click to collapse
This is the problem, since you post a tutorial for those who have an unlocked bootloader and this is not the case.
And Youtube is not the reference unlike XDA

NOSS8 said:
This is the problem, since you post a tutorial for those who have an unlocked bootloader and this is not the case.
And Youtube is not the reference unlike XDA
Click to expand...
Click to collapse
I posted the exact tutorial and process i used 3 days ago and it is to unlock bootloader, download rom he needs and use video to flash it. Simple. I had exact same situation and i fallowed these steps. I don`t see any problem, and if it is, let admins delete my posts and i won`t try to help since it gets judged immediately like i did something terrible. Anyway, since i posted a question my self with a little problem, if this is the way i might get some answers by explaining every single thing i or anyone else post, then this is not the right place to get answers... Best of luck to Powerhero with updating his phone. I hope he chooses best and easiest solution and enjoy his phone with new software.
Farewell

ExorcistSRB said:
I posted the exact tutorial and process i used 3 days ago and it is to unlock bootloader, download rom he needs and use video to flash it. Simple. I had exact same situation and i fallowed these steps. I don`t see any problem, and if it is, let admins delete my posts and i won`t try to help since it gets judged immediately like i did something terrible. Anyway, since i posted a question my self with a little problem, if this is the way i might get some answers by explaining every single thing i or anyone else post, then this is not the right place to get answers... Best of luck to Powerhero with updating his phone. I hope he chooses best and easiest solution and enjoy his phone with new software.
Farewell
Click to expand...
Click to collapse
thank you so much for your post was very helpfull and also to @NOSS8 .You both were very helpfull

PowerHero said:
thank you so much for your post was very helpfull and also to @NOSS8 .You both were very helpfull
Click to expand...
Click to collapse
"You MUST unlock bootloader and install official global rom via fastboot and mi flash utility using PC. Once you unlock bootloader DON`T lock it again!!!!! "
https://forum.xda-developers.com/t/miui-13-update.4523449/post-87780419
This is wrong, since you have a version of phone Global.

ExorcistSRB said:
Didn`t have time to read all so i posted what he needs to get the update. Second link is where to get the rom, and third link of video tutorial has everything to do with subject because guy in the video shows how to flash official rom to your phone and what to do if flashing gives error. So it was meant for him to watch, not for others who need netflix. But if he needs netflix he can just ignore most of recommendations here and just root his phone if he knows how and finds some simple way so he doesn`t brick his phone
Click to expand...
Click to collapse
NOSS8 said:
This is the problem, since you post a tutorial for those who have an unlocked bootloader and this is not the case.
And Youtube is not the reference unlike XDA
Click to expand...
Click to collapse
why not locking the boatlooder again?

PowerHero said:
why not locking the boatlooder again?
Click to expand...
Click to collapse
If you have a phone in a version other than Chinese, you can completely relock the bootloader. But this has already been mentioned.

NOSS8 said:
Try to download the latest rom in Android 10 rom and update (3 dots at the top right). Same procedure for A11 and A12,first and last.
If nothing works, unlock the bootloader and use Miflash.
https://new.c.mi.com/global/post/101245
https://en.miui.com/unlock/index.html
Click to expand...
Click to collapse
for this rom since i'm on A10 do i have to flash it via recovery or fasboot mod? they mention only how to flash it in A11 and A12 not A10
and when done should i relock the bootloader or not?
thanks

PowerHero said:
for this rom since i'm on A10 do i have to flash it via recovery or fasboot mod? they mention only how to flash it in A11 and A12 not A10
and when done should i relock the bootloader or not?
thanks
Click to expand...
Click to collapse
After using Mi unlock you will have to wait 168 hours to finalize the procedure.
Then use Miflash to flash the A12 rom, first do not relock the bootloader, check that everything works and that A12 suits you then lock the bootloader if you do not want to try other roms like Xaiomi EU rom.
Mi unlock and Miflash will erase all your data.
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/

NOSS8 said:
After using Mi unlock you will have to wait 168 hours to finalize the procedure.
Then use Miflash to flash the A12 rom, first do not relock the bootloader, check that everything works and that A12 suits you then lock the bootloader if you do not want to try other roms like Xaiomi EU rom.
Mi unlock and Miflash will erase all your data.
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
Click to expand...
Click to collapse
one more thing sir and sorry for that. the process with xaiomi phones is a bit different i used to do it with samsung phones.
i did all the steps to unlock the bootloader
and tells me to wait 168 hours to unlock.
now should i use the phone normally and what things not to do untill the 168 hours complete
and finally when flashing the rom.how to prevent re-locking the bootloader and how to lock it if i want to.
thank you best regards