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Flashing Guide

[Guide] All about Bootloader and How to Unlock Your Xiaomi Device Bootloader

2018-10-13 15:09:20
505677 337

Assalamu Alaikum,
We all know that Xiaomi locked their device bootloader for safety but sometimes we want to Root our phones and also want to do other things. For that reason, we need to unlock our device bootloader. I think you want to find a perfect unlocking guide for your Xiaomi device. Don't worry. Because you aren't in the wrong place. I hope after reading this thread you will unlock your device without any problem. So, without waste, any more time lets get started.

➤ Notice:
Before unlocking, backup your all data on your Computer/Mi Cloud/GDrive/Mega or other places. Because you will be lost all data and your device will reset automatically. This tutorial is only for Windows Computer.
➤ What is Bootloader?
The bootloader is a program that starts whenever a device is powered on to activate the right operating system. It is therefore not only a trait reserved for Android but also one that can find out all devices with an operating, be it a smartphone, a tablet, a PC, etc.

➤ Why Xiaomi or other company locked their device Bootloader?
Manufacturers lock the bootloader of their devices so that only the operating system installed on the device can be used. Unlocking the bootloader allows you to install unauthorized software, this operation voids the warranty of your device.

➤ 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.
◈ Anyone can flash your device and changed IMEI easily.

➤ What can I do after unlocking my device bootloader?
You can Root your device, edit BuildProp, can install any custom recovery and custom ROM also.

➤ Can I Re-Lock my device bootloader?
You can do it from Platform tool or flash official ROM by select the "Clean all and lock" option. Tutorial: Here

➤ How I can check my Xiaomi device bootloader is lock or unlock?
Go to Settings - About phone - MIUI Version (Tap 7 Times) You can see a message "Now you are a developer" - Additional Settings - Developer Options - Mi Unlock Status. You can also check it from the Computer by typing "fastboot oem device-info".
➤ Unlocking Tutorial:
Before some years ago you need to apply and wait 1-15 days for permission! But, now Xiaomi changes its policy. Now you don't need to apply for unlocking your device.

01. Download "miflash_unlock-en-xx.xx.xx" from here and extract it by using WinRar/7 Zip/others.

02. Go to Settings - Additional Settings - Developer Options - then enable "USB debugging" and "OEM unlocking".Click on the name because sometimes the pointer can't enable the option properly. You can also skip these steps. Because it's not necessary.

03. Now go to Settings - Additional Settings - Developer Options - Mi Unlock Status. Now connect your device with the internet by using mobile data and click "Add account and device". You must be needed to log in your Mi account with your device. After successfully added the Mi account with your device, you can see a success message. If you see other's messages like error or failed then log out your Mi account from your device. Then go to the developer option and then Mi unlock status. Now click "Add account and device". Your device will ask for login. Now login to your Mi account. I hope it will work.

04. Now turn off your device power and go to Fastboot mode by pressing Power and Volume Down (-) at the same time. Then connect your device with Windows Computer by using a USB cable. You need 5-10 seconds for it. If you try to go Fastboot mode but your mobile doesn't go to Fastboot mode then just power off your mobile, then hold press Volume - button and connect the data cable with your mobile and computer.

05. Now open "miflash_unlock.exe" and select "Agree".

06. Sign in your Mi Account (which was connected with your phone).

07. If your unlocking tool showing "Phone connected" then your device is successfully connected with your computer. Now press "Unlock". Or if your device showing "Not connected to the phone" then install Mi USB driver. You can find this driver on "miflash_unlock-en-xx.xx.xx" folder. Tutorial: Here

08. Now click "Unlock anyway".

09. If your unlock tool showing you this message "Please unlock 720/360/168/72 hours later". Then wait for the necessary time then try to unlock. Don't worry.

10. After spending the necessary time then again try to unlock your device. After successfully unlocked, your device will be rebooted automatically.

Tutorial (Bengali):

If you face any problem then say that in the comment section below.
Special Thanks to Admin - mnnahid Bhai and all s/Mods for guidance, assistance, and most of all - always encouraging us to be the best of ourselves.

➤ Related Thread:

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Number of participants 8 Experience +87 Pack Reason

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2018-10-13 15:09:20
Favorites196 RateRate

Master Bunny

ATikUR_RaHMaN | from Redmi 4X


Quite good
2018-10-13 15:47:48

Grand Master Bunny

$huvo | from Redmi 4


Thanks for sharing in details
2018-10-13 15:56:40
Another Amazing Thread From You.Thank You.
2018-10-13 16:08:35
Rayhan Hasan
Super Moderator, Mi Community Bangladesh.

Wizard Bunny

MH Imran | from Redmi Note 4


Great Post thanks for sharing
2018-10-13 16:09:14

Master Bunny

khalidsaifullah99 | from Redmi Note 5


great article, keep it up
2018-10-13 16:21:58

Advanced Bunny

jony2580 | from Redmi 5


bootloder unlocked kraa thakle kno somossa hbe..
2018-10-13 17:35:52


Mainul Hasan Rohan Author | from Redmi Note 5


bootloder unlocked kraa thakle kno somossa hbe..

না! যাস্ট চুরি হলে যে কেউ ইজিলি ফ্ল্যাশ করতে পারবে!
2018-10-13 18:03:51
Mainul Hasan
Moderator, Mi Community Bangladesh

I ❤️ Mi


Mainul Hasan Rohan Author | from Redmi Note 5


great article, keep it up

Thanks brother
2018-10-13 18:04:06
Mainul Hasan
Moderator, Mi Community Bangladesh

I ❤️ Mi


Mainul Hasan Rohan Author | from Redmi Note 5


MH Imran
Great Post thanks for sharing

welcome brother
2018-10-13 18:04:23
Mainul Hasan
Moderator, Mi Community Bangladesh

I ❤️ Mi

Pro Bunny

Sumaia | from Redmi Note 5A


kichu shikhlam thanks
2018-10-13 18:05:09
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