How to unlock bootloader on Xiaomi Redmi Note: the complete guide

Unlocking the bootloader on Xiaomi Redmi Note smartphones is a must for custom firmware installation, root rights or device recovery after software failures. However, the process differs from standard firmware through recovery: it requires official permission from Xiaomi, work with Mi Unlock Tool tools and knowledge of nuances for specific models – from Redmi Note 4X to Redmi Note 13 Pro+.

In this guide, we will discuss legal unlocking (no waiting), possible errors (such as β€œCouldn’t unlock” or β€œThis device is locked”), and alternative methods for devices with a blocked Mi Account.

Why you should unlock the bootloader on the Redmi Note

The bootloader lock is a security measure from Xiaomi designed to protect the device from unauthorized access, but it also restricts the user in the following scenarios:

  • πŸ”§ Install custom firmware (e.g. LineageOS, Pixel Experience or MIUI Pro) Without unlocking, the system simply won't boot.
  • πŸ› οΈ Brick recovery after a failed upgrade, often the only way to reanimate a phone is to flash it through a Fastboot.
  • πŸ”“ Getting root rights (for example, through Magisk) without an unlocked bootloader, even temporary root will not be possible.
  • πŸ”„ Removing embedded system applications (bloatware) that cannot be disabled by standard means.

It is important to understand that unlocking the bootloader resets all data on the device (including photos, contacts and applications), and after the procedure, the Find Device function (phone search) and some Mi Account services tied to hardware security may stop working.

⚠️ Note: On devices with MediaTek processors (e.g. Redmi Note) 11/12 series) unlocking the loader may result in loss IMEI Before the procedure, save a backup copy of the nvram partition!

Preparing for Unlocking: What to Do Before Starting

Before you start unlocking, make sure that all the preconditions are met, and ignoring them is the main reason for errors like "Current account is different from the account info on the device."

Linking your Mi Account to your phone|Enable debugging on USB and OEM-unlock|Install the Mi Unlock Tool with the latest version|Download the original firmware for your model|Charge your phone at least 60%|Create a backup copy of important data-->

Let's take a closer look at each item:

  1. Link Mi. Go to Settings β†’ Xiaomi Account and log in. Make sure your profile shows your current email and phone number (required for confirmation). Some devices (e.g. Redmi Note 10 Pro) need to activate the Data Sync option.

On the Redmi Note. 8/9 and may also need to include "Installation through USB" (USB debugging security settings).

After completing these steps, restart your phone – this is necessary to apply changes to system settings, and we also recommend turning off all lock screens (PIN, pattern lock), as after unlocking the bootloader, they can reset.

Redmi Note 10/10S/10 Pro|Redmi Note 11/11S/11 Pro|Redmi Note 12/12 Pro|Redmi Note 8/9 series|Another model-->

Download and install Mi Unlock Tool

Mi Unlock Tool is Xiaomi’s official tool for unlocking the bootloader, but even it requires proper preparation, otherwise you will get an error called β€œCan’t get info” or β€œNetwork error.”

Download the latest version of the tool from the official Xiaomi website (section "Unlock Now"). At the time of writing, the current version is Mi Unlock Tool 6.5.406.24. Avoid third-party sources: they often contain modified (and dangerous) versions of the utility.

After downloading:

  1. Unpack the archive in a folder without Cyrillic characters (for example, C:\MiUnlock).
  2. Launch the file. miflash_unlock.exe on behalf of the administrator.
  3. Sign in with the same Mi Account as your phone. If the utility gives you an "Account not matched" error, check it out: πŸ”Ή Correct login / password (sometimes helps to change the region of the account to China in the profile settings). πŸ”Ή Absence VPN Proxies (they can block the connection to Xiaomi servers).

If the Mi Unlock Tool requests an update, agree. Using an outdated version can lead to the "Binding time is too short" error, especially on new devices.

πŸ’‘

If the utility does not see the phone in Fastboot mode, try connecting it to another one. USB-port (preferably) USB 2.0) Or use the original Xiaomi cable. Also check if the drivers are installed. ADB/Fastboot (can be downloaded SDK Platform Tools by Google).

Unlocking process: step-by-step instructions

Now, to the most critical stage, follow the instructions carefully - any deviation can lead to soft-brick (when the phone does not boot, but reacts to the connection to the PC).

Step 1: Transfer your phone to Fastboot mode.

  1. Turn off the Redmi Note.
  2. Press the buttons Loud down + Power and hold for 10-15 seconds until the logo Fastboot (robot with a gear) appears.
  3. Connect your phone to your PC through USB-cable.

Step 2: Start unlocking in Mi Unlock Tool.

  1. In the utility, click "Unlock" (if the button is inactive, check that the phone is identified in the list of devices).
  2. Confirm the action in the pop-up window.
  3. Wait until the process is complete. A progress bar will appear on the phone screen that says "Unlocking..."

⚠️ Risk: Incorrect firmware in EDL It can turn your phone into a hard-brick).

Method 2: Bypassing waiting by changing the region.

Some users report that changing Mi region to China or India reduces the waiting time for unlocking.

  1. Go to the Mi Account website.
  2. In the profile settings, change the region to China Mainland.
  3. Re-connect the phone to your account and re-unblock.

Method 3: Use of the Mi Unlock Tool.

There are modified versions of the utility that bypass latency checks on the web, but they often contain malicious code or don't work with new Redmi Note models. Use them at your own risk!

πŸ’‘

Any unofficial unlocking methods can lead to loss of warranty and unstable operation of the device. If the phone is warranty, it is better to wait for official unlocking through the Mi Unlock Tool.

What to do after unlocking the loader

Successful unlocking is only half the battle, and you need to set the device up properly to avoid problems in the future.

Installation of custom recovery (TWRP).

With the bootloader unlocked, you can flash TWRP, an alternative recovery with advanced features. For the Redmi Note, the current versions of TWRP can be found on the official website or XDA.

fastboot flash recovery twrp.img


fastboot boot twrp.img

2. Backup of important sections.

Before installing custom firmware, back up the key sections:

  • πŸ“ boot - the core of the system.
  • πŸ“ dtbo - device configuration.
  • πŸ“ persistence IMEI Modem (especially important for MediaTek).
  • πŸ“ nvram – network settings (for devices with MTK).

Save them on your PC – this will help restore the phone in case of a crash.

3. firmware custom MIUI or AOSP.

If the purpose of unlocking is to install an alternative firmware, choose the verified builds:

  • πŸ”„ MIUI Pro – Optimized version of stock firmware without Bloatware.
  • πŸ€– Pixel Experience – pure Android with features from Google Pixel.
  • πŸ”§ LineageOS – stable firmware with open source.

Before you run your firmware, be sure to check compatibility with your Redmi Note model!

⚠️ Note: On devices with Dynamic Partition (e.g. Redmi Note 12 Pro)+) custom firmware can cause data loss in super sections. Use only firmware that supports Dynamic Partition.

FAQ: Answers to Frequent Questions

Can I unlock the bootloader without waiting 7 days?
New devices (released after 2022) are not officially available to bypass the wait, but some users report that changing your account region to China or using patched versions of the Mi Unlock Tool helps reduce the time, such as blocking an account or hard-brick devices.
Lost access to the Mi Account tied to the phone.
If you can't restore access to your account, official unlocking is not possible: πŸ”§ Firmware through EDL (requires special cable or soldering). πŸ“ž Appeal in support of Xiaomi with proof of ownership of the device (check, box). note that after resetting the account, the phone may be blocked (Mi Cloud Lock).
After unlocking, the network is gone.
This is a typical problem for MediaTek devices. Solution: Sweat the original modem.img and nvram files from stock firmware. Restore IMEI through the engineering menu (#4636## β†’ "Information" β†’ "Run Ping Test"). If it doesn't work, run the full stock firmware through Mi Flash with the "Clean All" option.
Can I lock the bootloader back?
Yes, it's possible with fastboot oem lock. However, once you lock, you won't be able to install custom firmware or recovery. Also, on some devices, locking causes a data reset. Backup before you do it!
Unlocking the bootloader removes the warranty?
Officially, yes. Xiaomi considers unlocking a violation of warranty conditions. However, in practice, service centers often turn a blind eye to an unlocked bootloader if the problem is not related to the software part (for example, a broken screen). To return the warranty, lock the bootloader back and flash the stock firmware.