The Xiaomi Redmi Note 7 remains one of the brandβs 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:
- π‘οΈ Data theft protection: without unlocking, an attacker will not be able to reset his phone via fastboot and bypass the password.
- π Stability of work MIUI: prevents installation of uncertified firmware that may disrupt the system.
- π± Controlling the ecosystem: Xiaomi connects users to its services (cloud, themes, apps).
For the average user, unlocking opens up opportunities:
- π§ Installation of custom recaveri (TWRP, OrangeFox) for backups and modifications.
- π Firmware for alternative OSes (LineageOS, Pixel Experience, Havoc-OS).
- π Getting root rights through Magisk for deep system customization.
- β‘ 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).
β οΈ 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:
| Requirement | How to check/perform | Consequences of neglect |
|---|---|---|
| Mi Account Accounts older than 7 days | Register on the official website and wait. | Couldn't unlock error.Wait for 168 hours |
| Linking your account to your phone | In settings: Xiaomi Account β Synchronization | Current account is different from the account info on the device |
| Version. MIUI less than 10.2 | Check in Settings β The phone. | Mi Unlock Tool does not recognize the device |
| Battery charge β₯ 60% | Connect the charger before starting | Interruption of discharge |
| Original. USB-cable | Use the cable from the kit | Connection errors in fastboot |
Also mandatory:
- π± Make a full backup of data (photos, contacts, messages) β after unlocking the phone will be reset.
- π Install Xiaomi drivers for fastboot (you can download from the official website).
- π₯οΈ Use a Windows PC 7/10/11 (on macOS/Linux Mi Unlock Tool is not working properly).
β οΈ 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.
Unlocking with Mi Unlock Tool
This is the only way Xiaomi supports, but it takes patience.
- 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: π§ Debugging by USB π Unlocking OEM (If there is no option, update it. MIUI)
- 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.
- 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.
- 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-infoSearch 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
- π If you have another Mi Account registered before 2022, tie it to your phone.Old accounts often pass without waiting.
- π Check the date of registration of the account on account.xiaomi.com.
Method 2: Resetting the timer through a shift SIM-map
- π± Put it in the phone. SIM-Card of another operator (preferably not Chinese).
- π Reboot the device and re-assign the account. Sometimes it resets the timer.
Method 3: Alternative versions of the Mi Unlock Tool
- π§ Some modified versions of the utility (for example, Mi Unlock Tool 5.5.224.24) ignore the time check.
- β οΈ 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?
Solving Common Unlocking Mistakes
Even if you follow the instructions accurately, users encounter errors.
| Mistake. | Reason. | Decision |
|---|---|---|
| Couldnβt unlock. Wait for 168 hours | New account or not linked to the device | Wait 7 days or use an old account |
| Current account is different from the account info on the device | Accounts on PC and phone are different | Delete all accounts from your phone and link the right one. |
| This device is locked and cannot be unlocked now | Aborted previous attempt | Wait 72 hours or sew official firmware |
| Failed to get device list | No drivers or USB problems installed | Install drivers manually through Device Manager |
| Mi Unlock Tool doesn't see the phone | Incorrect connection mode | Check 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:
- Download the full firmware (not incremental) from Xiaomiβs website.
- Sweat it through MiFlash in clean all mode.
- 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:
- π Connect the charger and wait another 10 minutes.
- π Press the power button. + Up Volume by 20 Seconds for Forced Reboot.
π‘
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.
- Check the status of the bootloader: fastboot oem device-info Must be Device unlocked: true.
- Install a custom Recovery: π§ Download. TWRP for lavender from the official website: twrp.me. π± 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:
- π Download the latest version of Magisk from GitHub.
- π± Set it through TWRP (off-fastboot!).
Warnings:
- π« Do not remove MiuiCamera and MiuiGallery apps, this will result in a camera that is not working.
- π« Donβt flash firmware for other models (like the Redmi Note 7 Pro) even if they seem compatible.
- π« Don't update. MIUI through OTA After installing custom Recovery - this will lead to loss TWRP.
π‘
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:
- Download the official firmware for Redmi Note 7 (Fastboot version) from the Xiaomi website.
- Unpack the archive in a folder without Cyrillic symbols on the way.
- Transfer your phone to fastboot (Power button) + Turning down the volume).
- Connect to your PC and start MiFlash.
- In MiFlash, select the firmware folder, select Clean All mode and click Flash.
- After the firmware, enter in the command line: fastboot oem lock
- Restart the phone. The bootloader is locked.
Check status:
fastboot oem device-infoIt should be Device unlocked: false.
β οΈ 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.