Mi Unlock 6.5.406 Official
Fix: Use a stable internet connection. If the issue persists, use a VPN on your PC configured to a regional server closer to China or the global headquarters (like Singapore) to stabilize server validation. Conclusion
Understanding the current policy context is crucial when working with any Mi Unlock tool. Xiaomi has significantly changed its bootloader unlocking policy in recent years, introducing a stricter, tiered system: mi unlock 6.5.406
You must link your Mi Account to your phone. Go to Settings > Additional Settings > Developer Options > Mi Unlock Status and tap "Add account and device" . Fix: Use a stable internet connection
Before using the tool, certain device and account conditions must be met: Mi Account introducing a stricter
Technical White Paper: Bootloader Unlocking via Mi Unlock Tool v6.5.406 1. Abstract