How to unlock Xiaomi Mi 9: official and alternative methods

Unlocking the bootloader on the Xiaomi Mi 9 is a necessary step to install custom firmware, obtain root rights or restore the device after software failures. However, the procedure requires caution: improper actions can lead to blocking the Mi Account, loss of warranty or even “bricking” the smartphone. In this article, we will discuss all the current ways of unlocking, including the official method through the Mi Unlock Tool, circumventing restrictions and solving typical problems.

It is important to understand that with 2021 Xiaomi tightened security policy, now unlocking requires linking your account to your device and waiting 72–360 We'll tell you how to speed up the process, what tools to use and what to do if the standard method doesn't work. MIUI 14/15 Android 13/14.

If you're a beginner, start with the official method, which is the safest, albeit the longest. Experienced users will find alternative solutions here, including unlocking through Fastboot without waiting. But remember: any manipulation of the bootloader will void the Xiaomi warranty and can lead to blocking IMEI if you do not act correctly.

1.Preparation for Unlocking: What to Do Before Starting

Before unlocking the Xiaomi Mi 9, follow the mandatory steps to avoid errors and data loss:

🔋 Charge your smartphone to at least 60% – the process can take several hours, and discharging during the operation will lead to a failure.
📱 Backup important data through Settings → Additionally. → Backup or Mi Cloud.Unlocking will reset the device to factory settings.
🔑 Link your Mi Account to your phone: Go to Settings → Xiaomi account and log in. Without it, Mi Unlock Tool won't work.
🔧 Put the debugging on. USB unlock OEM: Settings → The phone. → Version. MIUI (Press 7 times to activate the developer mode, then return to Settings → Additionally. → For developers, include both items.

Also check if the bootloader has been unlocked before. To do this, turn off the phone, press Volume Down + Power to log into the Fastboot. If you see Unlocked at the bottom of the screen, the bootloader is already unlocked. If Locked, start the procedure.

⚠️ Note: If you bought Xiaomi Mi 9 handheld, make sure the previous owner untie your Mi Account from the device.Otherwise, after unlocking the phone may require input of other people's data to activate.

📊 You’ve already tried to unlock Xiaomi?

Yes, in an official way.

Yes, through informal methods.

No, it's my first time.

I don't know how to do that.

2.Official method: Unlocking through Mi Unlock Tool

The most reliable way is to use Xiaomi’s Mi Unlock Tool, which works on all versions of the Mi 9 (including the Mi 9 SE and Mi 9T), but requires waiting.

Download the utility from the official website en.miui.com/unlock (version must be at least 5.5.224.30 for MIUI 14/15).
Install drivers: connect your phone to your PC in Fastboot mode (click Volume Down + Power When the device is off) and wait for Android ADB Interface drivers to install.
Sign in to Mi Unlock Tool with the same Mi Account as your phone. If the utility asks you to link the device, confirm the action.
Start unlocking: press Unlock and wait until it is completed. A waiting timer (usually 168 hours for new accounts) will appear on the screen.

Once the waiting period has expired, try again. The utility will unlock the bootloader itself, and the phone will reboot reset to factory settings. The entire process takes 5-10 minutes, but preparation (including waiting) can take a week.

Download the latest version of the utility|Install drivers ADB/Fastboot|Linking your Mi Account to your device|Enable debugging on USB unlock OEM|Charge your phone to a minimum. 60%-->

⚠️ Note: If the Mi Unlock Tool gives you an error called "Couldn't unlock" or "Device not supported", check: Utility version (update to the latest) Mi Account status (should be over 30 days old). No binding to another device (only one device can be linked to an unlocked device in a Mi Account in 30 days).

3. Alternative methods: Unlock without waiting

If you need to unlock the Xiaomi Mi 9 urgently, there are some informal ways that are suitable for power users and require an understanding of the risks.

Method 1: Fastboot and ADB (for firmware up to MIUI 12.5)

This method works on older versions of MIUI, but may not work on MIUI 14+.

fastboot oem unlock-go


fastboot flashing unlock

If the commands are executed without errors, the bootloader will be unlocked immediately, but on new firmware Xiaomi blocks these commands, so the method is only relevant for devices that have not been updated for a long time.

Method 2: Using patched firmware

Some custom firmware (e.g. Pixel Experience or LineageOS) contain scripts to bypass locking.

Download the patched firmware from the XDA Developers forum (e.g., the thread for Mi 9).
Fastboot: Fastboot Flash boot patched_boot.img fastboot reboot
After the reboot, the bootloader may be unlocked.

⚠️ Risks: Unofficial methods can lead to blocking IMEI Use them only if you are prepared for possible consequences.

What if the bootloader is unlocked but the phone is not turned on?

If the Xiaomi Mi 9 does not boot after unlocking, try: 1. Swipe stock firmware through the Mi Flash Tool (select clean all mode). 2. Install custom Recovery (TWRP) and sew it through ZIP-3. If the screen is black, but the phone vibrates, the problem is the damaged boot section.

Table: Comparison of unlocking methods

Method	Waiting time	Difficulty	Risks.	Relevance for MIUI 14/15
Mi Unlock Tool	72-360 hours	Low.	Minimum (official method)	Yes.
Fastboot teams	No waiting.	Medium	IMEI lock, brick	No (only works on older versions)
Patch firmware	No waiting.	Tall.	Loss of warranty, account blocking	Partially (depends on firmware)
Bypassing through EDL	No waiting.	Very high.	Full brick, loss of IMEI	Yes (requires an authorized account)

As you can see from the table, the official method remains the safest, despite the long wait, and alternative methods should be used only in extreme cases when there is no time to wait and the risks are justified.

5. Typical errors and their solutions

When unlocking Xiaomi Mi 9 users often encounter errors, let's analyze the most common and ways to fix them:

🚫 "Couldn't verify device - Mi Account is not tied to device Solution: log in to your phone account and try again in 24 hours.
⏳ "Wait XX "hours" is standard waiting. You can't speed it up, but you can use another Mi Account (if it's over 30 days old).
🔌 "USB “Debugging Not Authorized” – Not Confirmed USB. Solution: Disconnect and reconnect the phone, confirming access on the smartphone screen.
🔒 "Device is locked after unlocking - firmware does not support unlocked bootloader. Solution: sew custom Recovery (TWRP) and install a compatible firmware.

If the Mi Unlock Tool is 50% or 99% cold, try:

Reinstall ADB drivers manually through Device Manager.
Use the other USB-cable (preferably original).
Launch the utility on behalf of the administrator.
Disable the antivirus (it can block access to the Fastboot).

💡

If the Mi Unlock Tool doesn’t see the device, try connecting the phone to another device. USB-port (preferably) USB 2.0 on the back of the PC. Ports USB 3.0 (blue) sometimes cause recognition problems in Fastboot mode.

6. What to do after unlocking?

After successfully unlocking the Xiaomi Mi 9, you’ll have access to advanced features, but you’ll also face some limitations.

📱 Install custom Recovery (TWRP Or OrangeFox) for simplified firmware and backup installation.
🔄 Sweep through custom firmware (like LineageOS or Pixel Experience) if you want to get rid of the problem. MIUI.
🔐 Get root rights through Magisk (but remember, this will disable the ability to use banking apps and Google Pay).
🔄 Make a full backup through TWRP — This will save your data in future experiments.

However, keep in mind that the unlocked bootloader has disadvantages:

❌ No. OTA-Updates – you will have to install firmware manually.
❌ Widevine's problems L1 — Netflix and other services can work in low resolution.
❌ The risk of blocking – some banking applications (for example, Sberbank Online) may not run on custom firmware.

💡

Once the bootloader is unlocked, the Xiaomi Mi 9 loses support for official updates. To return the OTA, you need to lock the bootloader again (via fastboot oem lock), but this will lead to a data reset.

7. How to get everything back: locking the bootloader

If you decide to return the device to stock (for example, for sale or warranty repair), you can lock the bootloader back.

Swipe the stock firmware through the Mi Flash Tool (select Clean All mode).
Reboot your phone in Fastboot and execute the command: fastboot oem lock
Wait until the process is complete. The phone will reboot with the bootloader locked.

⚠️ Important: Locking the bootloader erases all data without recovery, including files in internal memory. Also, after this operation, you will not be able to unlock the bootloader again for 30 days (Xiaomi restriction).

If the phone doesn't turn on after locking, flash the firmware back in clean all and lock mode through the Mi Flash Tool.

FAQ: Frequent questions about unlocking Xiaomi Mi 9

Can I unlock the Xiaomi Mi 9 without waiting 168 hours?

Officially, no. Xiaomi has made it mandatory to wait for all accounts under 30 days. However, there are informal methods (such as through patched firmware or EDL), but they are risky and can lead to locking the device. If time is running out, try using another Mi Account that is older than 30 days - for it, the wait can be reduced to 72 hours.

Why does Mi Unlock Tool not see my Xiaomi Mi 9?

The problem is usually related to drivers or USB-Check if drivers are installed. ADB (can be downloaded SDK Platform Tools: Is the phone connected in Fastboot mode (the screen should show the hare in the hat-eared), does the antivirus block access to the utility (add Mi Unlock Tool in exceptions). Do you use the original one? USB-cable (cheap cables may not be transferring data to Fastboot) If nothing helps, try running the utility on another PC.

What happens if you unlock the bootloader on Xiaomi Mi 9 with a loan agreement?

Unblocking the bootloader does not affect credit obligations, as it is a software procedure, not a physical breakdown. However: The warranty on the device is canceled (if it is still valid). Some banking applications (for example, Sberbank Online or Tinkoff) may stop working due to the lack of SafetyNet certification. When returning the phone on a loan, the bank can check the status of the loader (although this is unlikely). If the phone is on credit, weigh the risks - it may be better to wait for the end of the loan agreement.

Can I unlock the Xiaomi Mi 9 without a computer?

No, unlocking Xiaomi bootloader always requires a connection to a PC. Without a computer, you can only: Enable OEM Unlock in the developer settings. Link your Mi Account to your device. Back up your data. The unlock procedure is only done through the Mi Unlock Tool on Windows.

After unlocking, the mobile Internet stopped working.

This is a typical problem when installing custom firmware. Solutions: Check it out. IMEI In Settings → The phone. → General information, if it is absent or replaced by 0, Restore it through QCN-file (instructions are available on the XDA Make sure the firmware supports your modem model, like firmware for Mi. 9 Global may not work for Mi 9 China.Refuse stock modem via Fastboot: fastboot flash modem NON-HLOS.bin (file NON-HLOS.bin You can reset the network settings in Settings. → SIM-maps and mobile networks → Reset the network settings. IMEI lost, do not attempt to recover it yourself without backup – this can lead to permanent loss of communication.