Guide To Unlock Bootloader on Xiaomi Poco C40 – Easy Unlocking Steps

If you want to unlock the bootloader on your Xiaomi Poco C40 to root or to flash the custom ROM on your device, then this guide is for you.

By following the few simple steps covered in this post, you can easily unlock the bootloader on your Xiaomi Poco C40.

If you get bored with the stock firmware of your smartphone and want to play around with more customization, then you will need to get your device rooted. But you can’t be able to root your device before unlocking the bootloader.

unlock bootloader

What is Bootloader?

In simple words, a bootloader is a set of instructions that are executed automatically, whenever the device is turned ON. The operating system and Kernel needs bootloader instructions to start the boot process and operate the recovery mode.

By default, the bootloader of every smartphone is locked. The reason behind it is very obvious as every manufacturer wants the users to stay with their default provided skin and stock ROMs.

But as we know, Android is open-source and that gives more power and benefits to users to customize their smartphones with endless possibilities. Therefore, Android also provides users an alternate route to get a chance to customize their smartphones.

This process requires many hurdles ahead. It starts with unlocking bootloader and so on the process continues with rooting and at last, you can end up flashing the custom ROM on your device.

So, we get to know that unlocking the bootloader is the permission for users to make different levels of customization from their end.

Benefits of Unlocking Bootloader
  • Gaining the root access
  • Allows to flash custom recovery
  • Installing different custom ROMs

  • This process may void the phone warranty
  • The performance of your phone might also get affected
  • The process might brick your phone, if anything goes wrong
  • Might become a reason for disturbing the security of your smartphone
  • You might also lose the data available on your phone storage.

How To Unlock Bootloader on Xiaomi Poco C40?

Xiaomi Poco C40 unlock bootloader


  • You need to charge your smartphone to at least 70% or above.
  • Grab the original USB cable of your smartphone.
  • Make a complete back-up of your important data.
  • Download Xiaomi Poco C40 USB Drivers.
  • Download Mi Unlock Tool.
  • Download Xiaomi Poco C40 fastboot drivers.

Note: We will be using Mi Unlock Tool as a bootloader unlock tool in this post.

How To Use Mi Unlock Tool

Step 1: Enable The Developer Option and OEM Unlock

To enter the process of unlocking, you are required to enable the developer option first and then USB Debugging and OEM unlock.

  • Go to Settings on your phone.
  • Locate the About Phone and then tap on the MIUI version several times until the Developer option gets enabled.
xiaomi developer options
  • Get back to the main Settings and then tap on Additional Settings->Developer Options.
  • In the Developer options, enable OEM Unlocking.
  • After that, enable USB Debugging.
  • Confirm your Mi Account, if you have not registered to it yet, then simply go to settings->Mi Account. Or you can also visit the official Mi page for account registration.
  • Make sure, that you have inserted the sim card.
  • Now, provide the required information to create and link your phone to your Mi Account.

Final Step: Unlocking Bootloader on Xiaomi Poco C40

Boot Xiaomi Poco C40 into Fastboot mode.

Grab the original cable of your smartphone and then connect it to your PC while in fastboot mode.

If you have downloaded the Mi Unlock tool from the above pre-requisites section, then simply just extract the zip file and then run the miflash_unlock.exe file.

Also, proceed with logging into your Mi Account on the unlock tool with the right credentials.

When you get successfully logged in to your Mi Account, the tool will begin to verify whether your phone is eligible for unlocking bootloader.

After your phone gets verified, you will see the status on the tool displaying "Phone Connected".

Now, just click on the "Unlock" button available on the tool interface to start the unlocking bootloader process.

Once, you click the button, It will prompt a warning message, which you just need to ignore and click on the "Unlock Anyway" button.

When the process gets complete, you will be served with a message displaying "Unlocked Successfully".

At last, click on the button, so that your phone boots up in the unlocked bootloader state.

That's it, you successfully unlocked bootloader on your Xiaomi Poco C40.

Xiaomi Poco C40 Specifications

Xiaomi Poco C40 unlock bootloader

Xiaomi Poco C40 comes with 6.7 inches IPS LCD touchscreen display, providing a resolution of 720 x 1650 pixels.

Moreover, the phone runs on Android 11 including MIUI 13 powered by an Octa-Core processor.

The internal memory of the phone includes 32/64 GB paired with 3/4/6 GB of RAM and also supports a microSD card.

The camera features a Dual 50MP + 2MP primary lens with LED flash including other features and a 5MP secondary lens for selfies.

It is powered by Li-Po 6000 mAh battery. Officially available in Midnight Black, Pacific Blue, and Caribbean Green colors.

How To Boot Xiaomi Poco C40 Into Fastboot Mode

  • Turn your Phone Off Completely.
  • Now, press and hold the Volume Down, and Power buttons simultaneously.
  • Once, the fastboot interface appears on the screen, release all the buttons.

Now Your Xiaomi Poco C40 is in Fastboot Mode!