| Error Code | Message | Likely Cause | Solution | | :--- | :--- | :--- | :--- | | | "Current account is not bound to this device" | Server handshake failure due to old API | Flash older MIUI ROM (e.g., Global Stable from 2017) | | 20036 | "Verify device token failed" | USB cable or driver issue | Replace USB cable; reinstall Fastboot drivers | | 86012 | "Server maintenance" | Legacy server shut down | Tool is unusable—switch to version 7.x | | None | Stuck at 50% for >5 mins | Firewall blocking TCP port 8602 | Disable Windows Defender Firewall temporarily |
Turn off your Xiaomi phone. Press and hold the simultaneously until the Fastboot logo (the Mi Bunny or "Fastboot" text) appears. Connect the phone to your PC via a high-quality USB cable. Step 4: The Unlocking Process
The (specifically v6.5.406.31) is a stable and official version released by Xiaomi to facilitate bootloader unlocking for Xiaomi, Redmi, and POCO devices. It is frequently used by users transitioning from MIUI to HyperOS or those looking to install custom ROMs. Core Features and Reports
Xiaomi enthusiasts and custom ROM developers are no strangers to the term "Bootloader Unlock." For those looking to root their devices, install custom kernels, or switch to operating systems like Pixel Experience or LineageOS, the is the official gateway.
Go back to "Mi Unlock Status" in Developer Options and re-link your account. 168 Hours Remaining
| Error Code | Message | Likely Cause | Solution | | :--- | :--- | :--- | :--- | | | "Current account is not bound to this device" | Server handshake failure due to old API | Flash older MIUI ROM (e.g., Global Stable from 2017) | | 20036 | "Verify device token failed" | USB cable or driver issue | Replace USB cable; reinstall Fastboot drivers | | 86012 | "Server maintenance" | Legacy server shut down | Tool is unusable—switch to version 7.x | | None | Stuck at 50% for >5 mins | Firewall blocking TCP port 8602 | Disable Windows Defender Firewall temporarily |
Turn off your Xiaomi phone. Press and hold the simultaneously until the Fastboot logo (the Mi Bunny or "Fastboot" text) appears. Connect the phone to your PC via a high-quality USB cable. Step 4: The Unlocking Process mi unlock 6.5.406
The (specifically v6.5.406.31) is a stable and official version released by Xiaomi to facilitate bootloader unlocking for Xiaomi, Redmi, and POCO devices. It is frequently used by users transitioning from MIUI to HyperOS or those looking to install custom ROMs. Core Features and Reports | Error Code | Message | Likely Cause
Xiaomi enthusiasts and custom ROM developers are no strangers to the term "Bootloader Unlock." For those looking to root their devices, install custom kernels, or switch to operating systems like Pixel Experience or LineageOS, the is the official gateway. Step 4: The Unlocking Process The (specifically v6
Go back to "Mi Unlock Status" in Developer Options and re-link your account. 168 Hours Remaining