Type adb devices . If authorized, your device serial number will appear.

This guide does not apply to carrier-locked devices (e.g., Verizon) or devices with permanently locked bootloaders. Step 1: Prepare Your Device

Requires the Mi Unlock Tool and a bound Mi Account, often with a waiting period.

Ensure your manufacturer’s USB drivers are installed (e.g., Google USB Driver for Pixels).

Go to Settings > About Phone and tap Build Number 7 times.

Follow the prompt on your phone screen (usually using volume buttons to select "Yes/Unlock"). Reboot: Once finished, type fastboot reboot . Brand-Specific Variations

Type adb reboot bootloader . The phone will restart into a special screen (fastboot mode). Unlock: Type fastboot flashing unlock . Note: On older devices, use fastboot oem unlock .

Download Android SDK Platform-Tools for Windows, Mac, or Linux.