Black Shark 2 Unlock Bootloader Direct
To unlock the bootloader on your Xiaomi Black Shark 2 , you generally need to use the official Mi Unlock Tool
. This process allows for advanced customizations like installing custom ROMs or rooting, but it will factory reset your device, so back up all data first. Prerequisites Mi Account : Log into your Mi Account on the phone. Developer Options Settings > About Phone and tap "Build Number" or "MIUI Version" seven times. Enable OEM Unlocking Settings > Additional Settings > Developer Options , toggle on "OEM Unlocking" and "USB Debugging". Link Account : In Developer Options, select Mi Unlock Status and tap "Add account and device" (requires mobile data). Steps to Unlock Download Tool : Install the Mi Unlock Tool on a Windows PC. Fastboot Mode : Power off your Black Shark 2. Hold Volume Down + Power until the "Fastboot" logo appears. Connect to PC : Plug the phone into your PC via USB cable. Run Unlock
: Launch the Mi Unlock Tool, sign in to your Mi Account, and click Waiting Period : If prompted, you may have to wait
(7 days) before the tool allows the final unlock. Do not log out of your Mi Account on the phone during this time.
: Once the time is up, run the tool again to complete the process. Your device will reboot automatically. Key Considerations black shark 2 unlock bootloader
Lock and unlock the bootloader | Android Open Source Project
Warning:
- Unlocking the bootloader will erase all data on your device. Make sure to backup your important data before proceeding.
- Unlocking the bootloader may void your device's warranty.
- Proceed at your own risk.
Required Tools and Files:
- Black Shark 2 device
- Computer with Windows 10 (or later)
- USB cable
- Qualcomm USB driver ( Download from here )
- ADB and Fastboot tools (Download from here )
- Black Shark 2 bootloader unlock tool (Download from here )
Step-by-Step Instructions:
- Enable Developer Options and OEM Unlocking:
- Go to your device's Settings > About phone > Tap on Build number 7 times to enable Developer options.
- Go to Settings > Developer options > Toggle on OEM unlocking.
- Install Qualcomm USB driver:
- Connect your device to the computer using a USB cable.
- Install the Qualcomm USB driver on your computer.
- Install ADB and Fastboot tools:
- Extract the ADB and Fastboot tools to a folder on your computer (e.g.,
C:\ADB). - Open a Command Prompt or PowerShell window in the ADB folder.
- Extract the ADB and Fastboot tools to a folder on your computer (e.g.,
- Boot your device into Fastboot mode:
- Power off your device.
- Press and hold the Volume down and Power buttons simultaneously until your device enters Fastboot mode.
- Verify Fastboot connection:
- In the Command Prompt or PowerShell window, type
fastboot devicesand press Enter. - Verify that your device is listed.
- In the Command Prompt or PowerShell window, type
- Unlock the bootloader:
- Extract the Black Shark 2 bootloader unlock tool to a folder on your computer.
- Open a Command Prompt or PowerShell window in the extracted folder.
- Type
BS2_unlock_tool.exeand press Enter. - Follow the on-screen instructions to unlock the bootloader.
- Wait for the process to complete:
- The bootloader unlock process may take a few minutes to complete.
- Once completed, your device will reboot automatically.
Post-Unlock Procedures:
- Format data partition: After unlocking the bootloader, your device will have a warning message during bootup. To remove this message, format the data partition using the following command:
fastboot format userdata - Restore data (optional): If you backed up your data before unlocking the bootloader, you can now restore it.
Troubleshooting Tips:
- If you encounter issues during the unlocking process, try reinstalling the Qualcomm USB driver and ADB and Fastboot tools.
- If you're stuck in a boot loop, try powering off your device and then booting into recovery mode (Volume up + Power).
Disclaimer:
The information provided in this guide is for educational purposes only. The author and the website are not responsible for any damage caused to your device during the unlocking process. Proceed at your own risk. To unlock the bootloader on your Xiaomi Black
Step-by-Step Summary:
| Step | Action | Critical Note |
|------|--------|----------------|
| 1 | Enable Developer Options & OEM unlocking | Must be checked before downgrading |
| 2 | Downgrade to MIUI 10 (Global or CN) – version G66X1906110CN00MP2 or older | Newer versions patch the exploit |
| 3 | Boot to Fastboot (Vol Down + Power) | |
| 4 | Flash engineering abl.elf using fastboot flash abl engineering_abl.bin | This bypasses signature check |
| 5 | Reboot to Fastboot again | Now unlock command will work |
| 6 | Execute fastboot oem unlock (not flashing unlock) | Some units require fastboot oem unlock-go |
| 7 | Device reboots and factory resets | Bootloader is now unlocked |
Step 6: Verification
After the device reboots:
- You will likely see a warning message every time you boot the phone stating, "The system has been destroyed." This is normal for unlocked devices.
- Go back to Settings > Additional Settings > Developer Options > Mi Unlock Status. It should now say "Unlocked."
Step-by-Step: How to Unlock the Black Shark 2 Bootloader
Most guides online are incorrect because they assume you need a code from Black Shark. In reality, the method evolved. Here is the confirmed working method for Global and Chinese variants (SKW-H0 / SKW-A0).
Step 3: Prepare the PC Environment
- Extract the downloaded Platform Tools zip file to a folder on your C: drive (e.g.,
C:\adb). - Extract the Mi Unlock Tool zip file to a separate folder.
- If you are using Windows, it is highly recommended to install the Xiaomi USB Drivers to prevent the device from disconnecting during the process.
2. Rooting via Magisk
- Extract the
boot.imgfrom your current Joy UI ROM. - Patch it via the Magisk app on the phone.
- Flash the patched image:
fastboot flash boot magisk_patched.img.
⚠️ Important Warnings Before You Begin
- Warranty: Unlocking the bootloader may void your warranty.
- Data Loss: This process will wipe all data on your phone. Make sure to back up photos, contacts, and files to a PC or cloud service before starting.
- Anti-Rollback: Do not flash older firmware versions than what is currently on your phone. Black Shark devices have Anti-Rollback Protection (ARB) which can hard-brick your device.
- Banking Apps: Unlocking the bootloader breaks SafetyNet/Play Integrity. Banking apps and games like Pokémon GO may not work until you pass SafetyNet (usually fixed by installing Magisk later).





