You must use the "Mi Unlock Tool" (free) and wait a designated period (usually 168 hours).
To use the "free commands," you need a bridge between your computer and your phone. unlock bootloader command free
Most manufacturers consider this a breach of warranty. You must use the "Mi Unlock Tool" (free)
Your phone screen will change. Use the to highlight "Yes" or "Unlock" and the Power Button to confirm. The phone will wipe itself and reboot. Specific Brand Variations Your phone screen will change
On your phone, go to Settings > About Phone and tap Build Number seven times.
Think of the bootloader as the "checkpoint" that runs before your operating system (Android) starts. It checks the signature of the OS to make sure it hasn't been tampered with. When it’s , you can only run the software the manufacturer (like Samsung, Google, or Xiaomi) intended. When it’s unlocked , you can install custom software like LineageOS or Pixel Experience. Before You Start: The Warning