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Is it possible to flash Global rom on locked bootloader?

Hi,
Today I recieved my Mi 8, but it has the china ROM on it.
So my question is:
Is it possible to flash the Global ROM without unlocking bootloader?
Because unlocking of the bootloader will delete the userdata.

NielsvdS said:
Hi,
Today I recieved my Mi 8, but it has the china ROM on it.
So my question is:
Is it possible to flash the Global ROM without unlocking bootloader?
Because unlocking of the bootloader will delete the userdata.
Click to expand...
Click to collapse
No don't do it. Check my thread or some others on this forum if you do it'll brick your device.

It´s posible install xiaomi.eu rom with bootloader locked ?

Id like to know if i can install rom in a redmi 4x with bootloader locked (not official rom)
Actually i have Global last developer Miui10
Thanks

fari2000 said:
Id like to know if i can install rom in a redmi 4x with bootloader locked (not official rom)
Actually i have Global last developer Miui10
Thanks
Click to expand...
Click to collapse
Phone will not allow you flash unofficial img when bootloader is locked. I dont think it will let you lock after flashing rom with unlocked bootloader. At least i cant manage to lock bootloader after debloating miui stable.

With locked bootloader only official update can be installed through the updater app and that to stable ROM.
You can relock bootloader again regardless if you use official MIUI beta or stable ROM.
You'll have to unlock bootloader in order to flash any other ROM let it be any ROM.

Xiaomi.eu's ROM on the Mi 9 EEA?

Is it possible to install the Xiaomi.EU's ROM on the Mi 9 EEA?
Sorry if this has been asked before, just making sure.

Yes

With an unlocked bootloader, yes.

Let my highjack the topic [emoji3], and is it possible to go back and relock bootloader if needed?
I'm so satisfied with stable EEA, that already passed 360h and still have official stable and locked BL.
Still can't figure out if it's worth the change...

Nuno Oliveira said:
Let my highjack the topic [emoji3], and is it possible to go back and relock bootloader if needed?
I'm so satisfied with stable EEA, that already passed 360h and still have official stable and locked BL.
Still can't figure out if it's worth the change...
Click to expand...
Click to collapse
If you mean going back to EEA and relocking, then you can with MiFlash and flashing the fastboot ROM and having relock bootloader ticked.

Questions about the anti rollback

Hello
I have the Mi9 T PRO running MIUI Global 10.3.1.0 stable (PFKEUXM).
I don't intent, and there is no reason, to mess with the different MIUI versions.
I am interested to root the phone or try a custom ROM.
My questions are :
1)If I unlock the bootloader only for root and then relock it, my phone will be bricked?
2)If I try a custom ROM and then relock the bootloader the phone will be bricked?
3)In a previous post is mentioned that if you downgrade from beta Q to stable P the phone will not be bricked. What about the anti roll protection?
Thnxs
Sent from my Mi 9T Pro using Tapatalk

Its EEA (EU) ROM
MIUI Global ROM PFKMIXM

You can re lock your bootloader wothout problem but only if your original rom. If you are on EU or EEA you can flash and lock BL.
The problem is only if you flash different rom and re lock bootloader

Mr.Vag said:
You can re lock your bootloader wothout problem but only if your original rom. If you are on EU or EEA you can flash and lock BL.
The problem is only if you flash different rom and re lock bootloader
Click to expand...
Click to collapse
This applies for AOSP ROMs too, right?
AOSP+relock=brick ?
And something else.
TWRP+ROOT+stock MIUI, can I relock bootloader?
Sent from my Mi 9T Pro using Tapatalk

[email protected] said:
This applies for AOSP ROMs too, right?
AOSP+relock=brick ?
And something else.
TWRP+ROOT+stock MIUI, can I relock bootloader?
Click to expand...
Click to collapse
As far as I'm aware relocking the bootloader doesn't work using fastboot commands. I can't remember if it will brick the device if you try, so best not to try.
When using the Mi Flash Tool you can only lock the bootloader when flashing a fastboot ROM, so this will restore the phone to factory and you'll lose any custom ROM installed and any recovery and root installed.
Really it's only safe to lock the phone when staying on the original ROM of the phone.

replace russian rom official with global rom official

i bought a mi 9 lite and it came with the russian rom.
I wanted to unlock the bootloader and install the official globlal ROM with mi flash. can i lock the bootloader again with me flash when i install an official global rom?
or
is there a guide to install a global rom without unlocking the bootloader? and without using tools?

You need to first unlock your bootloader in order to fastboot flash the global rom (using MiFlash). After that in the MiFlash tool there is an option to "Flash all and lock" which will lock your bootloader again. Unfortunately there is not a way of doing it to my knowledge without unlocking your bootloader.
Here's the official guide here: https://c.mi.com/oc/miuidownload/detail?guide=2

Never, ever re-lock your bootloader as this will result in a hard brick that can only be resolved with EDL/authorized account!

Diabolik2770 said:
i bought a mi 9 lite and it came with the russian rom.
I wanted to unlock the bootloader and install the official globlal ROM with mi flash. can i lock the bootloader again with me flash when i install an official global rom?
or
is there a guide to install a global rom without unlocking the bootloader? and without using tools?
Click to expand...
Click to collapse
Your post is in the wrong section, this should be in guide, news, discussion

.M.D. said:
Never, ever re-lock your bootloader as this will result in a hard brick that can only be resolved with EDL/authorized account!
Click to expand...
Click to collapse
Not to my knowledge. I have done it before with my device. Sure if you want to use custom roms/recoveries you will need to unlock your bootloader again which you can do if you are using an authorised account. However, if you are really worried about this happening, you might as well just keep your bootloader unlocked.

I bought a mi cc9 lite that came with a russian rom.
Before i could unlock my device, i was able to flash a global rom with a non official tool which name i can't remember.
Global rom was the only one i was able to flash. So yes it's possible.

ok

On which ROM and Device you CAN and CAN'T Lock Bootloader!
Echo2124 said:
Not to my knowledge. I have done it before with my device. Sure if you want to use custom roms/recoveries you will need to unlock your bootloader again which you can do if you are using an authorised account. However, if you are really worried about this happening, you might as well just keep your bootloader unlocked.
Click to expand...
Click to collapse
I found this ....
https://c.mi.com/thread-2584760-1-1.html
I think you're right