Solution: You logged into a different Mi account on the PC tool than on the phone. Factory reset the phone, log in with the same account, and rebind.
To unlock the bootloader of the Black Shark 2 Go to product viewer dialog for this item.
, you must follow the official Xiaomi procedure, which involves linking a Mi account to your device and using the official Mi Unlock Tool. This process is required if you intend to root the device or install custom ROMs like TWRP. Critical Pre-Requisites Backup Data: Unlocking will erase all user data. Battery: Ensure the phone is at least 50% charged.
Tools: You need a Windows PC with Xiaomi USB Drivers and the Mi Unlock Tool installed.
SIM Card: You must use mobile data (not Wi-Fi) to bind the account. Step 1: Enable Developer Options & Bind Account
Go to Settings > About phone and tap MIUI Version 7 times until you see "You are now a developer". Navigate to Additional Settings > Developer options. Enable OEM unlocking and USB debugging.
Select Mi Unlock status > Add account and device. You must be logged into your Mi Account with a SIM card inserted and mobile data active. Step 2: Use the Mi Unlock Tool on PC Unlocking Bootloaders - postmarketOS Wiki
To unlock the bootloader on your Xiaomi Black Shark 2 , you generally need to use the official Mi Unlock Tool black shark 2 unlock bootloader
. 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
Lock and unlock the bootloader | Android Open Source Project
Unlocking the bootloader on your Black Shark 2 is a foundational step for anyone looking to install custom ROMs, gain root access, or fully customize their device's software. While the process has become more restrictive in recent years due to Xiaomi's updated security policies, it remains possible using official tools like the Xiaomi Mi Unlock Tool. Essential Pre-Unlock Requirements
Before starting, ensure you have met these critical prerequisites to avoid issues during the process: Solution: You logged into a different Mi account
Data Backup: Unlocking the bootloader will perform a factory reset and wipe all internal storage, including photos, apps, and SMS.
Xiaomi Account: You must have an active Mi Account linked to your phone for at least 30 days on newer firmware, though this requirement varies by region.
SIM Card & Mobile Data: A valid SIM card must be inserted, and you must use mobile data (not Wi-Fi) to link your account in the device settings.
Drivers and Tools: Install Xiaomi USB Drivers and ADB & Fastboot tools on your Windows PC. Step-by-Step Guide to Unlock the Black Shark 2 Go to product viewer dialog for this item. Bootloader 1. Enable Developer Options & OEM Unlocking Black Shark 2
, navigate to Settings > About Phone and tap on Build Number (or MIUI version) seven times until you see the "You are now a developer!" notification. Go to Settings > Additional Settings > Developer Options. Toggle on OEM Unlocking and USB Debugging. 2. Bind Your Mi Account In the Developer Options menu, tap on Mi Unlock Status.
Unlocking the bootloader on a Black Shark 2 is a standard process similar to other Xiaomi-affiliated devices, though it does require a Windows PC and will wipe all your data 🛠️ Prerequisites Backup everything : This process performs a factory reset. Xiaomi Account
: You must be signed in to a Mi Account on the phone for at least 7 days (the standard waiting period). : Download the official Mi Unlock Tool and install Xiaomi USB Drivers 📝 Step-by-Step Guide Enable Developer Options Settings > About Phone MIUI Version | Problem | Solution | | :------ |
(or JoyUI version) 7 times until you see "You are now a developer". Bind Your Account Settings > Additional Settings > Developer Options OEM Unlocking USB Debugging Mi Unlock Status and select Add account and device . Use mobile data (Wi-Fi must be off) for this step. Boot into Fastboot Mode Power off your Black Shark 2. Volume Down + Power simultaneously until the Fastboot logo appears. Run the Unlock Tool Connect your phone to your PC via USB. Mi Unlock Tool on your PC and sign in with the Mi Account used on the phone.
If you see a "Waiting time" message (usually 168 hours), you must wait and try again after that period. If ready, click . Your phone will reboot once the process hits 100%. 💡 Alternative: XiaoMiTool V2 For a more automated experience, many users prefer the XiaoMiTool V2
, which guides you through the driver installation and unlocking process without needing to hunt for individual files. XiaoMiTool V2
: Unlocking your bootloader may void your warranty and can lower the security level of your device. Always proceed with caution. or install a custom recovery (TWRP) once your bootloader is unlocked? Modding of Xiaomi devices made easy - XiaoMiTool V2
| Problem | Solution |
| :------ | :------- |
| waiting for any device in fastboot | Reinstall Qualcomm drivers. Try different USB port (USB 2.0 preferred). |
| Command not allowed | You didn't wait the 360 hours, or OEM Unlocking is disabled. |
| Unlock APK says "Current account is not bound" | Go back to Developer Options → Mi Unlock Status and bind again. |
| Phone won't boot after unlock | Force restart (hold power 15 sec). If stuck, use MiFlash tool to flash stock ROM. |
| 360 hours reset after waiting | You changed your Xiaomi password or logged out of the account. Don't do that. |
Black Shark does not use the generic Mi Unlock tool for the Shark 2. You need the "Black Shark Unlock Tool" (v1.0 or higher).
Alternatively, the latest Mi Unlock Tool (v6.x) works for the Black Shark 2 if you use the "Add account" method first.