How to unlock the bootloader on Xiaomi Redmi Note 7: the official guide with nuances

The Xiaomi Redmi Note 7 remains one of the brand’s most popular smartphones years after its release, thanks to its balanced specs, reliable hardware, and active support from the development community. However, installing custom firmware, root rights, or alternative reclaims requires unlocking the bootloader, a process that is not as simple as it seems: Xiaomi has tightened the rules, and incorrect actions can turn the phone into a brick.

In this article, the current 2026 instruction for unlocking the bootloader on Redmi Note 7 (codename lavender), including the official method through the Mi Unlock Tool, bypassing latency restrictions, as well as solving typical errors like Couldn't unlock or This device is locked.

Important: the procedure cancels the warranty and resets all data on the device. If you are a beginner, follow the instructions carefully and do not miss the warnings.

Why Xiaomi is blocking the bootloader and what it gives the user

Factory bootloader lock on Xiaomi devices is a security measure aimed at:

  • πŸ›‘οΈ Data theft protection: without unlocking, an attacker will not be able to reset his phone via fastboot and bypass the password.
  • πŸ”„ Stability of work MIUI: prevents installation of uncertified firmware that may disrupt the system.
  • πŸ“± Controlling the ecosystem: Xiaomi connects users to its services (cloud, themes, apps).

For the average user, unlocking opens up opportunities:

  • πŸ”§ Installation of custom recaveri (TWRP, OrangeFox) for backups and modifications.
  • πŸš€ Firmware for alternative OSes (LineageOS, Pixel Experience, Havoc-OS).
  • πŸ”“ Getting root rights through Magisk for deep system customization.
  • ⚑ Remove Built-in Bloat (pre-installed Xiaomi apps).

However, there is a downside: unlocking completely resets the device to factory settings, and improper actions can lead to hard-brick (not being able to turn the phone on even in fastboot mode).

⚠️ Note: If you bought the Redmi Note 7 with your hands, make sure the previous owner untie your Mi Account from the device. otherwise unlocking will be impossible without its data.

Preparation for Unblocking: Requirements and Warnings

Before starting the procedure, check the fulfillment of all conditions:

RequirementHow to check/performConsequences of neglect
Mi Account Accounts older than 7 daysRegister on the official website and wait.Couldn't unlock error.Wait for 168 hours
Linking your account to your phoneIn settings: Xiaomi Account β†’ SynchronizationCurrent account is different from the account info on the device
Version. MIUI less than 10.2Check in Settings β†’ The phone.Mi Unlock Tool does not recognize the device
Battery charge β‰₯ 60%Connect the charger before startingInterruption of discharge
Original. USB-cableUse the cable from the kitConnection errors in fastboot

Also mandatory:

  • πŸ“± Make a full backup of data (photos, contacts, messages) – after unlocking the phone will be reset.
  • πŸ”Œ Install Xiaomi drivers for fastboot (you can download from the official website).
  • πŸ–₯️ Use a Windows PC 7/10/11 (on macOS/Linux Mi Unlock Tool is not working properly).

⚠️ Note: If your Redmi Note 7 was purchased in China (the domestic version), unlocking may not be possible due to hardware limitations. β†’ The phone. β†’ Version. MIUI: if there are letters at the end CN, risk.

πŸ“Š You have already tried to unlock the bootloader on Xiaomi?
Yeah, it worked.
Yeah, but there was a mistake.
No, first time.
I don't know what it is.

Unlocking with Mi Unlock Tool

This is the only way Xiaomi supports, but it takes patience.

  1. Activate debugging on USB and OEM-Unlocking: Go to Settings β†’ About the phone and 7 times click on the version MIUI, To activate the developer mode. Go back to Settings. β†’ Additionally. β†’ For developers and include: πŸ”§ Debugging by USB πŸ”“ Unlocking OEM (If there is no option, update it. MIUI)
  2. Attach Mi Account to your device: C Settings β†’ Xiaomi account make sure the account is added and synced. go to Settings β†’ Additionally. β†’ For developers β†’ Unblock status and click Link account.
  3. Download Mi Unlock Tool: Official utility: download from Xiaomi website (select the latest version). Unpack the archive and launch miflash_unlock.exe on behalf of the administrator.
  4. Connect your phone in fastboot mode: Turn off the Redmi Note 7. Press the Power button + Turning down the volume before the fastboot logo appears. Connect the phone to the PC.

Run the unlock:

  • In Mi Unlock Tool, sign in with your Mi Account.
  • The utility should recognize the device. Press Unlock.
  • Confirm the action on the phone (if necessary).

It takes 5-10 minutes. Upon completion, the phone will automatically restart with the bootloader unlocked.

fastboot oem device-info

Search for Device unlocked: true.

Mi Account older than 7 days|Debugging by USB and OEM-unlocking|Account tied to device|Battery charge β‰₯ 60%|Original. USB-cable-->

Bypassing the waiting time limit (168 hours)

Xiaomi has introduced a mandatory 7-day (168-hour) wait for new accounts to make it harder to unlock stolen devices.If you see the Couldn't unlock error.Wait for 168 hours, there are several legal ways to speed up the process:

Method 1: Using an old account

  • πŸ”„ If you have another Mi Account registered before 2022, tie it to your phone.Old accounts often pass without waiting.
  • πŸ“… Check the date of registration of the account on account.xiaomi.com.

Method 2: Resetting the timer through a shift SIM-map

  • πŸ“± Put it in the phone. SIM-Card of another operator (preferably not Chinese).
  • πŸ”„ Reboot the device and re-assign the account. Sometimes it resets the timer.

Method 3: Alternative versions of the Mi Unlock Tool

  • πŸ”§ Some modified versions of the utility (for example, Mi Unlock Tool 5.5.224.24) ignore the time check.
  • ⚠️ Use only if you are prepared for the consequences (you may need to create a new account).

Important: since 2023, Xiaomi has tightened its anti-waiting controls, and using unofficial methods can result in account locking (without the possibility of recovery).

What happens if you break the unlock?
If you disconnect your phone from your PC or turn it off during the process, you're likely to have a soft-brick, which means that the phone will only boot in fastboot, and the Mi Unlock Tool will show an error: This device is locked and cannot be unlocked now.

Solving Common Unlocking Mistakes

Even if you follow the instructions accurately, users encounter errors.

Mistake.Reason.Decision
Couldn’t unlock. Wait for 168 hoursNew account or not linked to the deviceWait 7 days or use an old account
Current account is different from the account info on the deviceAccounts on PC and phone are differentDelete all accounts from your phone and link the right one.
This device is locked and cannot be unlocked nowAborted previous attemptWait 72 hours or sew official firmware
Failed to get device listNo drivers or USB problems installedInstall drivers manually through Device Manager
Mi Unlock Tool doesn't see the phoneIncorrect connection modeCheck that the phone is in fastboot, not in recovery.

Anti-rollback check error occurs if you try to flash an older version MIUI after the update:

  1. Download the full firmware (not incremental) from Xiaomi’s website.
  2. Sweat it through MiFlash in clean all mode.
  3. Re-unlock.

It's normal -- the first start after the reset can take 10 to 15 minutes. If the screen doesn't respond for more than 20 minutes:

  • πŸ”Œ Connect the charger and wait another 10 minutes.
  • πŸ”„ Press the power button. + Up Volume by 20 Seconds for Forced Reboot.

πŸ’‘

If the Mi Unlock Tool is a Network error, try connecting to the Internet via a mobile hotspot instead of Wi-Fi. Sometimes corporate networks block requests to Xiaomi servers.

What to do after successful unblocking

Now your Redmi Note 7 is ready for experimentation, but take your time to install the first software you get.

  1. Check the status of the bootloader: fastboot oem device-info Must be Device unlocked: true.
  2. Install a custom Recovery: πŸ”§ Download. TWRP for lavender from the official website: twrp.me. πŸ“± Fastboot: Fastboot Flash Recovery twrp.img fastboot boot twrp.img

Make a backup section persist:

This section contains unique data from the camera module and IMEI. Without a backup after firmware, the camera may stop working.

Sweep through Magisk for root rights:

  • πŸ”“ Download the latest version of Magisk from GitHub.
  • πŸ“± Set it through TWRP (off-fastboot!).

Warnings:

  • 🚫 Do not remove MiuiCamera and MiuiGallery apps, this will result in a camera that is not working.
  • 🚫 Don’t flash firmware for other models (like the Redmi Note 7 Pro) even if they seem compatible.
  • 🚫 Don't update. MIUI through OTA After installing custom Recovery - this will lead to loss TWRP.

πŸ’‘

Once the bootloader is unlocked, the Xiaomi warranty is automatically cancelled. If you need maintenance, return the phone to factory status (lock the bootloader back through fastboot oem lock).

How to lock the boot loader back (if necessary)

If you decide to return the phone to its original state (for example, for sale or warranty repair), the bootloader can be blocked.

Steps:

  1. Download the official firmware for Redmi Note 7 (Fastboot version) from the Xiaomi website.
  2. Unpack the archive in a folder without Cyrillic symbols on the way.
  3. Transfer your phone to fastboot (Power button) + Turning down the volume).
  4. Connect to your PC and start MiFlash.
  5. In MiFlash, select the firmware folder, select Clean All mode and click Flash.
  6. After the firmware, enter in the command line: fastboot oem lock
  7. Restart the phone. The bootloader is locked.

Check status:

fastboot oem device-info

It should be Device unlocked: false.

⚠️ Note: Once the bootloader is blocked, custom firmware or recovery will be impossible to install without re-unblocking, and some banking applications (such as Sberbank Online) may stop working if they detect traces of unlocking in the system logs.

FAQ: Frequent questions about unlocking the Redmi Note 7

Can I unlock the bootloader without waiting 168 hours?
Officially, no. Xiaomi has a strict grip on this restriction. Unofficial methods (like using older versions of the Mi Unlock Tool) may work, but the risk of blocking the account is high. Alternatively, buy a used Mi Account registered before 2022 (but this violates Xiaomi's rules).
Why is the camera or sensors not working after unlocking?
This is because of damage to the persist partition when you're firmware. Solution: Download the stock firmware for your model. Remove the file. persist.img Fastboot: fastboot flash persist persist.img If the problem persists, you need a full flashing through MiFlash.
Can I unlock the bootloader on the Redmi Note 7 with a damaged screen?
Technically yes, but you will need to: πŸ”Œ Connect your phone to your PC and manage it via AdB. πŸ–₯️ Use the mouse via USB-OTG (if the touchscreen is working). πŸ“± Turn on Debugging. USB If the screen is completely black, but the phone is detected in fastboot, try unlocking without confirmation on the device (risk of blocking the account).
What if the Mi Unlock Tool says β€œThis device is not supported”?
An error occurs when: πŸ“± You have a Chinese version of the Redmi Note 7 (for example, lavender_cn). πŸ”§ Mi Unlock Tool is outdated (download the latest from the official website). πŸ“… Account is not linked to device (check Settings) β†’ Additionally. β†’ For developers β†’ Unlock status. Solution: run the global firmware through MiFlash, then try again.
How do I know if the bootloader is unlocked on a used phone?
There are two ways: through fastboot: fastboot oem device-info Search for Device unlocked: true/false. Through the menu: Go to Settings β†’ The phone. β†’ All specs. Click on the kernel version several times. If this device is unlocked, the bootloader is unlocked.