Starting with the and newer, Qualcomm introduced Secure Boot v2.5 . The EDL trick no longer works unless you have an engineering (ENG) firehose, which is nearly impossible to find. For the Snapdragon 8+ Gen 2 (Xiaomi 13 series), there is currently no known free bypass . The waiting period is mandatory.
Unlock Bootloader on Xiaomi HyperOS in 3 Seconds using this Exploit! 8 Apr 2025 —
Certain global variants and older Snapdragon chipsets can be tricked using older versions of the Mi Flash Unlock tool combined with specific developer ROMs. The Token Manipulation Technique Starting with the and newer, Qualcomm introduced Secure
：高通芯片的 BootROM 在设备完全关机并进入 9008 模式后，会执行一段不可修改的底层代码。社区研究者发现，通过特殊的 Firehose 加载器，可以绕过 Secure Boot 验证，向设备写入被修改的分区镜像，从而实现解锁。
: In Settings > Additional Settings > Developer Options , toggle on OEM Unlocking and USB Debugging . The waiting period is mandatory
对于系统版本较新、安全补丁较新的设备，漏洞利用方案可能已失效。此时可以考虑基于（BootROM）或 EDL （Emergency Download Mode，紧急下载模式）的解锁方案。
If you are trying to unlock and getting errors, these are the high-quality fixes: Starting with the and newer
If your Snapdragon device runs rather than the older MIUI, the process has changed drastically. Xiaomi removed the straightforward 168-hour countdown for many regions and replaced it with an account-level permission system. Requirements for HyperOS Unlocking:
EDL mode is a low-level Qualcomm diagnostic state. It accepts commands before the primary Android bootloader initializes. Forcing a device into EDL mode usually requires hardware test points or specialized deep flash cables. Steps for Authorized Firehose Bypasses
Go back to > Additional Settings > Developer Options . Enable OEM Unlocking and USB Debugging . Step 2: Acquire Community Unlocking Status
Enable Developer Options on your device. Navigate to Mi Unlock Status and bind your account.