Solution: Go back to Developer Options > Mi Unlock Status. Ensure you have mobile data on (not Wi-Fi) when binding. Wait 72 hours to 168 hours as required.
Because the Black Shark 2 supports Project Treble, you can flash Android 13/14 GSIs.
| 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 |
⚠️ 充值前請務必詳閱下列內容，並確認您已充分理解與同意，方可進行充值操作。若您不同意，請勿儲值：
自 2025 年 7 月 8 日 00:00:00 起，凡透過任一方式（包括儲值、稿費轉入等）新增取得之海棠幣，即視為您已同意下列規範： black shark 2 unlock bootloader
📌 如不希望原有海棠幣受半年效期限制，建議先行使用完既有餘額後再進行儲值。 Solution: Go back to Developer Options > Mi
📌 若您對條款內容有疑問，請勿進行儲值，並可洽詢客服進一步說明。 Because the Black Shark 2 supports Project Treble,
Solution: Go back to Developer Options > Mi Unlock Status. Ensure you have mobile data on (not Wi-Fi) when binding. Wait 72 hours to 168 hours as required.
Because the Black Shark 2 supports Project Treble, you can flash Android 13/14 GSIs.
| 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 |
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