Return to stock and locked bootloader? - Xiaomi Mi Mix 2S Questions & Answers

How do I take the mix 2s back to stock miui with locked bootloader again? I have searched but must be stupid as cant find out how.

ignore. i figured it out.

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[Q] If I Download Stock Rom Do I Get Warranty Back? [Q]

If I go back to stock rom with this get back my warranty cause I'm sending in my phone tomorrow.
Lol don't just flash a stock rom... lock the bootloader too
Make sure everything is back to stock =] ull be fine
- Google
I read somewhere that unlocking the bootloader is "burning physically" a fuse onboard of the device that can be easily discovered by a technision !! but I don't know how much true this is !!! I hope it's not the case ...
I believe it is LIKE burning a fuse in other phones, a bit is changed elsewhere and remains that way after it is unlocked once, indicating it's been unlocked before.
On the Nexus S it is not like that. No indication whether it has been unlocked before as long as you are on stock rom, bootloader and recovery and you relock the bootloader (fastboot oem lock).
iGoogleNexus said:
Lol don't just flash a stock rom... lock the bootloader too
Make sure everything is back to stock =] ull be fine
- Google
Click to expand...
Click to collapse
How do I lock the bootloader?
forum.xda-developers.com/showthread.php?t=1088494
working with nexus s

[Q] XT925 on CyanogenMod 10.2, unlocked, rooted: how to revert back to full stock?

Hi everyone,
As precised in the title, I'm not pretty sure about the right method to adopt to revert back to stock (stock ROM, unroot, lock bootloader) in my situation.
I searched the forum, with several answers, but I'm not sure.
Can someone confirm me the right method please?
Thanks a lot
You cannot re lock your boot loader as it is forever unlocked.
You will have to find a unrooted stock ROM that will revert the OS back to normal without root.
But unfortunately you're forever unlocked
Sent from my XT926 using Tapatalk now Free
boldup said:
Hi everyone,
As precised in the title, I'm not pretty sure about the right method to adopt to revert back to stock (stock ROM, unroot, lock bootloader) in my situation.
I searched the forum, with several answers, but I'm not sure.
Can someone confirm me the right method please?
Thanks a lot
Click to expand...
Click to collapse
find your file Here depending on your location and flash it with rsd. there are plenty of tutorials around if you need one.
as stated, you cant re-lock the bl.

Unlock Bootloader...

Hey guys, im new to this forums so first of all, hello everybody.
so, i have this xperia l, and im not new to android devices, and i want to flash a kernel and a rom (more specificly, thunderzcap and ios7)
the problem is, i cant unlock my bootloader. In that screen after you type that weird combination of numbers in the dialer it says that i just cant do it (not allowed). I read it somewhere that i need my simlock code and something else, but according to what i know (and i dont want to believe t) this means it is permantly locked.
So anyone here knows how to solve it? I would defenitly love to unlock the bootloader so i can flash a kernel... or im stuck with my phone? i know there are other roms but it isnt the same thing...
Thanks in advance
If it's locked there is no going around it. So answer is no, if it says on the phone that bootloader is locked you can't unlock it. And there are NO roms that work with locked bootloader. For you to be able to flash a ROM on it you must have unlockable bootloader.
Sorry to give you bad news but that is way things are in your case.
Nothing you can do.................for now.
If we can get CWM going on the phone, we can flash packages. From there, if this can be extended to our phone, http://forum.xda-developers.com/showthread.php?t=2595238 then we can run CM variants on top of stock, and thus there is hope for the locked bootloader people, like myself, hopefully.

Can I remove the unlocked warning?

I unlocked my phone but can't prevent the unlocked bootloader warning from popping up. Is it possible to have a different load screen instead? I was able to do this on my Moto G5 Plus with a new .img file I think. The warning still comes but it's masked with a more appropriate Motorola logo.
Thanks!
Already answered here
https://forum.xda-developers.com/honor-6x/help/how-to-prevent-warning-message-t3648966 and here
https://forum.xda-developers.com/honor-6x/help/help-t3774285 - it's impossible at the moment, and since that it's all about esthetic, it'll hardly be taken in consideration.
Is there any way to revert back to factory settings then? I'd rather not use a custom rom if I have to look at that warning, and it would be useful if I want to sell the phone.
You must relock the bootloader.
OK, how do I do that? The problem is that I have SlimRom installed, so I don't know if that's possible with SlimRom. I just want to go back to factory. Is there a guide?
Thanks.
You must go back to stock for being able to correctly lock the bootloader without problems, here's a guitar about how to do that https://forum.xda-developers.com/honor-6x/how-to/how-to-to-stock-emui-5-0-flashing-twrp-t3679985

BRICKING and OEM/bootloader locking

Hello everyone, I have questions. I will be happy if someone could help me understand Android better.
Edit: find most answers here https://android.stackexchange.com/questions/21460/what-does-fastboot-oem-lock-do, the following remains:
Is locked OEM equal to locked bootloader?
If not, which is more serious e.g. undesirable when using rooted custom ROMs?
Is it possible that booting fresh custom ROM will lock bootloader (or OEM..) back without asking? just like this happened to me with stock firmware
Is it dangerous if bootloader gets locked and I use TWRP?

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