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Do I need unlock to install rom?

I bought mi 5s plus for my mother. I would need to install a rom that has Finish language. I already applied to unlock bootloader in xiaomi site. (have not received permission yet)
Now I enabled developer options and it says Mi unlock status is unlocked. Does mi 5s plus need unlock? Also can someone please give me overview of the process of unlocking and installing rom?

Turponieminen said:
I bought mi 5s plus for my mother. I would need to install a rom that has Finish language. I already applied to unlock bootloader in xiaomi site. (have not received permission yet)
Now I enabled developer options and it says Mi unlock status is unlocked. Does mi 5s plus need unlock? Also can someone please give me overview of the process of unlocking and installing rom?
Click to expand...
Click to collapse
Absolutely sure, Because if you don't do it, It'll be failure

Xiaomi Mi 5s Plus Bootloop with Locked Bootloader

The phone isn't connected to a Mi account in settings so I can't unlock bootloader with Mi desktop unlock app. MiFlash is not working neither as it isn't unlocked (flash xlb error appears). Mi Pc Suite English version doesn't recognise the phone. The Chinese version does and it downloads the latest ROM and when it tries to update the phone an error appears and shows 0% but in the phone it is updating, although at the end it doesn't work. I have also wiped data with this Chinese version with no resault. The phone is still in bootloop. Any help or suggestion is very welcome. Thanks

Are you sure the bootloader's locked? It should have came unlocked, unless your vendor locked it.

theOriginalSuperl2 said:
Are you sure the bootloader's locked? It should have came unlocked, unless your vendor locked it.
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Click to collapse
Yes, unfortunately it is locked... I'm sure of that

I have problem with unlock bootloader

Please help...the problem is i face error message if i unlocking the bootloader
Can't unlock Your account isn't association with a phone number
http://c.up-00.com/2018/11/154143207157181.jpg

3llawi said:
Please help...the problem is i face error message if i unlocking the bootloader
Can't unlock Your account isn't association with a phone number
http://c.up-00.com/2018/11/154143207157181.jpg
Click to expand...
Click to collapse
You first have to enable developer options, then go in and...
1. Enable OEM Unlocking
2. Go into "Mi Unlock Status">scroll to bottom and then "Add account and Device."
With this said however, it will still not likely work. Once you try again and it fails, you have to request an Unlock on the site, and wait 720 hours before they allow bootloader unlock (roughly a month).
How do I know all this? I started my wait just last night, since I just got my phone last night.
Sent from my Mi MIX 2S using Tapatalk

noobtoob said:
You first have to enable developer options, then go in and...
1. Enable OEM Unlocking
2. Go into "Mi Unlock Status">scroll to bottom and then "Add account and Device."
With this said however, it will still not likely work. Once you try again and it fails, you have to request an Unlock on the site, and wait 720 hours before they allow bootloader unlock (roughly a month).
How do I know all this? I started my wait just last night, since I just got my phone last night.
Sent from my Mi MIX 2S using Tapatalk
Click to expand...
Click to collapse
In redmi note 7 i solved this with going to mi account un phone, security of account and adding a telephone number .

Yes, they've gotten much better about it. This was an issue for many at first, it's been resolved on Xiaomi end of allowing unlock.
Sent from my Mi MIX 2S using Tapatalk

Bricked Mi Mix3

Hello all, I was stuck in recovery for some time and non of instructions were working for me, so I decide to flash stock rom via Mi Flash Tool.
I downloaded MiFlash20191206 and extract it I downloaded Xiaomi_Mi_Mix_3_V10.2.1.0.PEEMIXM_20190118.0000.00_Global_9.0_XFT ROM and extract it, run Mi Flash, put the phone to fastboot. But when I flashed device I wrongly choose clean_all_lock. So I ended up with a locked bootloader. And when tried to boot MIUI I receive message:
"This MIUI version can't be installed on this device"
So naturally, I tried to unlock bootloader with MiFlash unlock. Downloaded miflash_unlock-en-3.5.1108.44, extract it and run.
Login with my Mi Account and tried to unlock but ended up with the message:
"Please add your account in miui settings -> developer options -> mi unlock status"
Which would be easy to do but as I am not able to boot MIUI I am not able to go to settings.
So did I finally bricked my phone or is there some hope?

I haven't found myself in this predicament (I almost did, but interrupted the flash before it finished to stop the lock). You could try to fastboot the (assuming its a CN device) CN files over the top with it locked. It *should* allow that even if the BL is locked. Then you should be able to boot up, go through the unlock process again. I would see if you can find an older thread where someone did this, or see if you can find one in the Mix2s forums for advice. I know people have had this problem before and been able to fix it.

So in the end I solved it by going to local MiPoint and guys there were able to flash CN rom even with locked bootloader.
I asked them if they have authorized account, but they use some third party software. They did want to tell which, but I get some info that it is paid software and cost around 200 USD and also that they used Miracle xiaomi tool before for this, but now servers are busy and it's not usable anymore.
Any idea what's new software?

[Discussão] Mi A3 unbrick guide por @nullby​Comunidade Mi
https://c.mi.com/forum.php?mod=viewthread&tid=3527044

Question POCO X4 PRO 5G - no way to unlock bootloader without waiting?

Hi everyone, title basically. I tired searching online for a mirror of "MiFlash Unlock Modified" but nothing pops up. I tried using an older version of the unlock tool but nothing. I also tried the XiaoMiTool but to no avail, probably because this phone uses a Snapdragon. Any ideas? Am I missing something here?

UPDATE: Managed to download the MiFlash Unlock Modified but it won't work. After I login, it takes me to the Xiaomi Account Portal and doesn't continue the process.

You have to wait, there is no shortcut without bricking ur device