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[Chat of the Week] Mi Devices Bootloader Unlocking Tutorial & Unlocking Tool

2018-04-16 01:40:29
56140 27

Hi Mi-Fans,
Xiaomi has locked bootloader for all of the devices in order to protect user data safety i.e to protect users from getting the counterfitted devices or ROM.

Changes that occur after locking bootloader:
  • Locking bootloader will not affect normal OTA updates
  • ROOT will be disabled if it was enabled before.
  • Recovery mode is changed. Updating via Recovery will need to use Mi PC Suite
  • Devices with the locked bootloader cannot update using Miflash. Users need to unlock the bootloader if they want to flash Fastboot ROMs.

Locking bootloader is aimed to provide better user experience, which xiaomi have been trying to do the whole time. In the meantime, we've provided an unlocking tool for senior users who know their ways around flashing and tweaking their devices. The unlocking process is really simple. After unlocking, the device can do all the things as before we locked bootloader.
The unlocking procedure will need Internet access to get the unlocking password. Also, the Mi Account logged in on the Mi phone and the unlocking tool needs to be the same. Otherwise, the unlocking request will be denied. This will ensure that ill-intentioned people will not get access to your personal data.

Risks of unlocking Mi Devices?
  • By unlocking the device you agree that this may bring changes to some parts of the system. These changes may damage the device.
  • After the device is unlocked, it becomes less secure and more vulnerable to malware attacks, which may lead to the disclosure and loss of your private data.
  • Some features which require high-security level (e.g., Find device, banking apps, added-value services, etc.) will no longer be available.

Important: The risks stated above do not fully cover changes which may be brought about by Mi Unlock.We will keep improving Mi Unlock in order to prevent the cases when unauthorized vendors unlock Mi devices to install third-party apps which worsen MIUI user experience and cannot to be deleted. Locked devices also provide you with high-quality security features, such as Find device, and other added-value services. We're sorry for any inconveniences our policies may cause. Please think twice before unlocking if you are not familiar with ROM flashing.

Unlocking Tutorial
  • Open http://en.miui.com/unlock and apply for getting bootloader unlocking permissions. You will get the page showing application form like below


  • After applying for bootloader unlocking permissions please wait for few days for getting approval message If you haven't get any info after 10-12 days then please open the page again to see whether your application is approved or not.

Important: State Your Unlocking Reason - Please provide the real reasons why you want to unlock your phone in English only. Copied reasons from other tutorials might cause your unlock application to be rejected.

You must be on Developer ROM to unlock your device. If you're on MIUI Global Stable then please download MIUI Global Developer ROM.

  • Download recovery file of Official MIUI Global Developer ROM for your device. Go to Updater app, press the three dot on upper right corner, and select 'Choose update package'. Choose the zip file you just put in phone storage. The update will wipe all user data, do remember to take a backup of the data .
  • Login into the Mi account which has acquired unlocking permission on your device
  • Turn off your device, press the Power button and Volume down button at the same time to enter bootloader mode
  • Login into the unlocking tool on PC with the same Mi account then Connect the device with the PC using USB cable
  • Press 'Unlock'. The unlocking process will complete in about 5-10 seconds

Note: After unlocking bootloader, you will be able to flash fastboot ROMs and custom ROMs. The unlocked device will be marked in the official service end. You could lock bootloader again by flashing official MIUI ROMs. (This will need to use fastboot oem lock. Please note to flash offcial MIUI ROMs, otherwise your system won't be able to start)

Known Issues faced by users :
Stuck at 50%
this is the most common error faced by users, that while unlocking the process stops at 50% giving the error that your account at the device and Mi unlock tool is different.
Solution: if you are getting the same error then we request you to wait for 10 days more as your account details for unlocking might not be updated at the server end. Try after 10 days if still you are getting the error you can post a thread mentioning the following details
  • Mi Account UID:
  • MIUI version:
  • Your device:
  • Screenshot of the unlocking page status
  • Days of application:

USB device problem
For those who received permission to unlock but still stuck, please check out this section. You might be facing problem due to USB problem especially for those who are using Windows 10 which causes your PC fail to detect device in fastboot mode.

  • Boot into fastboot mode (Hold Volume Down+Power),Mi bunny image will be shown. Then Plug device into the computer.
  • Open Device Manager and search for USB Device(Kedacom) Uninstall it
  • Unplug your device and reconnect it again

you will see that driver is reinstalling and show Android Device as Android Bootloader Interface, once the driver finished updating it will revert back to Kedacom. Then perform fllowing
  • Double click on Android Bootloader Interface again under Kedacom again
  • Under Driver' tab, click on Roll Back Driver, once completed press OK

Since the driver is all right now, you can open Mi Unlock Tool and you should be able to unlock without problem now

Note:
  • It's possible that you might not receive the SMS regarding unlock permission. You can visit http://en.miui.com/unlock/ and click on Apply button again and it will show you the status of your application. If you see the link to download the Unlock tool that means you already have been granted the permission to unlock your device. Just download the tool and follow the instructions.
  • After getting unlocking permission for a Mi account, please wait for 7-10 days before unlocking the bootloader. One Mi account could only unlock one device within 30 days
  • If your device is encrypted, unlocking bootloader will wipe all user data. Please perform a backup beforehand. If your application has been rejected or as we seen in few cases that users having prior unlocking permissions are getting cancelled, please try to apply again later. And please input the real reason that you want to unlock your device in English. Don't copy and paste others' unlocking reasons.
  • After getting the approval SMS perform following steps:

    • Go to Settings -- About Phone -- Tap on MIUI Version 5-7 times to enable the developer option).
    • Then, go to Settings -- Additional settings -- Developer option and bind your Mi account under Mi Unlock Status.
    • Log into the Mi account which has acquired unlocking permission on your device
    • Go to Settings -- Mi Account -- Account security -- Devices -- Other devices and remove all other devices associated with your Mi Account.
    • Go to Settings -- Additional settings -- Developer options -- Enable USB debugging and OEM unlocking.

Method for the users who are on Global Stable ROM and dont want to flash developer ROM
After getting the approval SMS perform following steps:
  • go to Settings  About phone MIUI Version (Tap on miui version for enabling the developer option).
  • then got to SettingsAdditional settings Developer option and bind your Mi account under Mi Unlock Status.
  • Log into the Mi account which has acquired unlocking permission on your device
  • Turn off your device, press the Power button and Volume - button at the same time to enter bootloader mode
  • Log into the unlocking tool on PC with the same Mi account. Connect the device with the PC using USB cable
  • Press 'Unlock'. The unlocking process will complete in about 5-10 seconds

Important: For those users  who don't see this option please download the developer ROM and follow the steps mention in the thread


Mi Unlock Tool:
you can download the Mi Unlock Tool From below
miflash_unlock-en-2.3.803.rar (43.27 MB, Downloads: 1874)

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2018-04-16 01:40:29
Favorites17 RateRate
Thanks for this guide!
2018-04-17 01:55:01

Grand Master Bunny

ArSeMo | from Redmi 4A

#2

Find device is still available after unlocking bootloader!
2018-04-22 13:23:39

paramgagan Author |

#3

ArSeMo replied at 2018-04-22 22:53:39
Find device is still available after unlocking bootloader!

yes it is
2018-04-23 00:01:07
Former Super Moderator - Products and Device Team Leader - Mi Community India.

HAPPY TO HELP

Grand Master Bunny

ArSeMo | from Redmi 4A

#4

paramgagan
yes it is

???        
2018-04-23 00:04:28

paramgagan Author |

#5


particularly it depends on the device capacities too, for eg In my mix, mi 6 find device is still available after unlocking of bootloader but in my redmi note 3 it is not available. So, in general, it is deemed that it will not be available after unlocking.  
2018-04-23 00:53:57
Former Super Moderator - Products and Device Team Leader - Mi Community India.

HAPPY TO HELP

Grand Master Bunny

ArSeMo | from Redmi 4A

#6

paramgagan
particularly it depends on the device capacities too, for eg In my mix, mi 6 find device is still  ...

Got it sir, it's like in few devices unlocking bootloader even clear the internal storage as in clean flash or factory reset.
Ty
2018-04-23 01:28:55

Pro Bunny

Anand@777 | from Redmi 3S

#7

Why will try for usb device problem method use unlock bootloader. Why will get approval. Pleaae help me
2018-05-19 15:04:28
hi,
i also need to unlock unauthorized xiaomi account to flash my redmi note 5 pro. please give me a EDL Authentication (hard brick alone to update in night 9.6.4...)
My ID: 1846738228
Xiaomi redmi note 5 pro

Thanks & best regards,
slbcolle@hotmail.fr
2018-09-04 08:56:55
Hello, can i get a help about my locked lock pattern on Xiaomi Redmi Pro?
2018-09-14 04:06:25
thank you, its work...
2018-09-30 20:12:11
[url=https
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