How to unlock Xiaomi Mi 8A: official and unofficial ways

Xiaomi Mi 8A is one of the most popular budget smartphones of the brand, but its owners often face the need to unlock the bootloader. Without this, you can not install custom software, get root rights or even just reset the pattern lock if you forgot the password. In this article, we will analyze all the current ways to unlock for the Mi 8A (codename platina), including the official method through the Mi Unlock Tool, bypassing Xiaomi restrictions and solving typical errors.

It's important to understand that unlocking a bootloader on Xiaomi is not just a technical procedure, it's an agreement with the manufacturer. The company has imposed severe restrictions after a wave of fraud with devices in the secondary market. So the process can take anywhere from 72 hours to a week, and in some cases, you will need support communication. We will explain how to speed up the process and avoid common errors such as Couldn't unlock or This device is locked.

Why you need to unlock the bootloader on Xiaomi Mi 8A

Factory locking of the bootloader on Xiaomi is a security measure, but it also restricts the user. Here are the main reasons why Mi 8A owners resort to unlocking:

• 🔓 Install custom firmware (LineageOS, Pixel Experience, HavocOS) for advanced features or Android updates.
• 🛠️ Getting root rights through Magisk to deep-set up your system or work with applications like Titanium Backup.
• 🔄 Reset the pattern lock if you forgot your password and the standard Mi Account reset doesn’t work.
• 📱 Remove built-in Xiaomi apps (bloat) that can’t be turned off without root.
• 🔧 Restoration of the "brick" after a failed firmware or system failure.

However, unlocking has negative consequences:

• ⚠️ Reset all data (including internal memory) when you first unlock.
• ⚠️ Loss of warranty (officially, but in practice, service centers rarely check the status of the bootloader).
• ⚠️ The risk of "brick" with incorrect actions with firmware.
• ⚠️ Disabling some features (e.g. Find Device or Mi Cloud) may not work smoothly).

Preparing for Unlocking: What to Do Before Starting

Before you start unlocking, be sure to follow all the paragraphs in this section. Neglect of preparation is the main cause of errors like Couldn't verify device or Current account is different from the account info on the device.

⚠️ Note: If you are buying a Mi 8A hand, make sure the previous owner untie his Mi Account from the device, otherwise unlocking will not be possible without his participation.

Here is the full preparation checklist:

Make a backup copy of all data (photos, contacts, messages)

Charge your phone at least 60%

Connect your device to stable Wi-Fi (not mobile internet!)

Link Mi Account to your phone (Go to Settings → Xiaomi Account)

Enable USB debugging and OEM unlocking in developer settings

Install the latest version of the Mi Unlock Tool on PC

Download ADB and Fastboot drivers for Xiaomi

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Let’s now take a closer look at each item:

1. Data backup

Unlocking the bootloader completely erases the phone's internal memory. Use the Mi Cloud for contacts and notes, and for the rest of the data, Google Photos, Titanium Backup (if there is root), or manual transfer to the PC. Note: once unlocked, you may not be able to recover data from the Mi Cloud backup, the system will consider the device "untrusted."

2. Developer settings and debugging over USB

To enable the developer mode on the Mi 8A:

1. Go to Settings. → The phone.
2. Click 7 times on the MIUI version until the notification “You are a developer” appears.
3. Go back to the basic settings and open a new section for developers.
4. Activate switches: Debugging over USB OEM Unlock (important item!) Factory Unlocking (if any)

⚠️ Note: If the item Unlock OEM Inactive (gray), so the phone is protected Mi Account. You need to log into your Xiaomi account in the settings and link the device.

3. Mi Account binding

Without a Xiaomi account, unlocking is not possible.

• You are logged into Mi Account in your phone settings (Settings → Xiaomi Account).
• The account is confirmed by email and phone.
• Two-factor authentication is disabled on the account (otherwise, the Mi Unlock Tool will not be able to log in).

To check the binding, go to Settings → Additional → Privacy → Special features → Device status. Your Mi Account should be displayed there.

Unlocking with Mi Unlock Tool

It is the only unlock method Xiaomi supports, but it has limitations: a mandatory wait (usually 72-168 hours) and account binding, but it is the most secure and works on all versions of the Mi 8A.

Step 1: Download and install Mi Unlock Tool

The official utility can only be downloaded from Xiaomi's website (authentication required), and third-party versions may contain viruses or be outdated.

After downloading:

1. Unpack the archive and launch it. miflash_unlock.exe.
2. Sign in with the same Mi Account as you do on your phone.
3. Connect the Mi 8A to your PC via USB (use the original cable!).

Step 2: Transfer your phone to Fastboot mode

For this:

1. Turn off the phone.
2. Press the Power + Volume Down buttons for 10 seconds until the Fastboot logo appears.
3. Connect the device to the PC.

Make sure your PC recognizes your phone in Fastboot mode, open the command line and type:

fastboot devices

If you see the serial number of the device, it's okay. If you don't, install the ADB drivers manually.

Step 3: Start unlocking

In the Mi Unlock Tool:

1. Press Unlock.
2. Confirm the agreement (checkbox box box).
3. If you see a message You need to wait XXX hours, it's okay. Close the utility and try again after the specified time.
4. After waiting, repeat the steps and wait for the message Unlocked successfully.

Once successfully unlocked, the phone will automatically reset and reboot, so you can now flash custom software or get root rights.

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The official method through the Mi Unlock Tool is the safest, but requires a wait of up to 7 days. Do not try to bypass the timer by changing your account or date - this will lead to permanent locking of the device.

Unofficial Unlocking Methods (if Mi Unlock Tool is not working)

If the official method is not available (for example, due to a Couldn't unlock error or linking to someone else's account), you can try alternative options. They are more risky and can lead to a brick, but sometimes this is the only way out.

Method 1: Bypassing waiting by changing the Mi Account region

Some users report that changing the region of Xiaomi’s account to China or India reduces the waiting time to 24 hours.

1. Go to the Mi Account website.
2. In the profile settings, change the region to China.
3. Wait 1 hour and try unlocking the device again.

⚠️ Note: This method does not always work and can result in a user being blocked for suspicious activity.Do not use it if the phone is linked to someone else's Mi Account.

Method 2: Unlocking through EDL-regime (for experienced)

EDL (Emergency Download Mode) allows you to stitch the phone around the bootloader, but requires special equipment (Qualcomm HS-USB QDLoader 9008) and knowledge of fastboot commands.

• The phone turned into a brick after a failed firmware.
• You forgot your password and your Mi Account is not tied.
• Unlocking is not possible due to errors.

For EDL entry:

1. Turn off the phone.
2. Press Power + Volume + Volume Reduce by 10-15 seconds.
3. Connect to the PC – you need to decide how to QHSUSB_BULK.

Next, you will need firmware in.mbn format and the Mi Flash Tool utility. Without experience, we do not recommend using this method - there is a high risk of finally "killing" the phone.

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If you unlock the Mi 8A for custom firmware installation, download the platina version in advance. Proven builds can be found on the XDA Developers or 4PDA forums.

Method 3: Delete Mi Account through Test Point (extreme case)

If the phone is locked on someone else's Mi Account and you can't contact the previous owner, the hardware method is to close the test points on the board, which requires disassembling the device and soldering skills.

For the Mi 8A, the test points are located next to the battery connector, and once you close, the phone goes to EDL, and you can flash the clean firmware without linking to your account, which cancels the warranty and can damage the board if you run it wrong.

Typical Unlocking Errors and Their Solutions

Even when following the instructions, users often encounter errors, and we've collected the most common problems and ways to fix them.

If your error is not listed in the table, check:

• 🔌 Cable USB (Use the original from Xiaomi).
• 🖥️ Mi Unlock Tool (should be the last version).
• 📱 Battery status (if the charge is below 30%, unlocking may be interrupted).

What to do after successful unblocking

When the bootloader is unlocked, you have new opportunities, but also new risks.

Installation of custom recovery (TWRP)

TWRP is an alternative recovery that allows you to install firmware, backup and get root rights. For Mi 8A (platina), use the version from the official website or proven developers.

Installation via Fastboot:

fastboot flash recovery twrp-3.7.0_platina.img


fastboot boot twrp-3.7.0_platina.img

2. Getting root rights through Magisk

With TWRP, Magisk installation takes 5 minutes:

1. Download the latest version of Magisk from GitHub.
2. Reboot to TWRP.
3. Click Install and select the downloaded Magisk.zip file.
4. After installation, restart.

⚠️ Note: Some banking applications (Sberbank, Tinkoff) can block work on root phones. Use the MagiskHide module or Universal SafetyNet Fix.

Installation of custom firmware

For the Mi 8A, firmware is popular:

• 📱 Pixel Experience – pure Android with features from Google Pixel.
• 📱 LineageOS – stable and fast open source firmware.
• 📱 HavocOS – customizable firmware with many settings.

Before installing, be sure to check compatibility with the platina model and the Android version.

4. Backup of important sections

With the bootloader unlocked, you can accidentally damage system files. To avoid a brick, backup through TWRP:

• Boot
• System
• Vendor
• Data (if you need to save user data)

Store the backup on your PC or cloud – it will help restore your phone in case of a crash.

FAQ: Frequent questions about unlocking Xiaomi Mi 8A