Connect your phone to your PC via a high-quality USB cable. Open a Command Prompt or Terminal window in your Platform-Tools folder. Step 1: Check Connection Type this command to ensure your PC sees the phone: adb devices Use code with caution. You should see a serial number. If not, check your drivers. Step 2: Reboot to Bootloader Move your phone into the "Fastboot" environment: adb reboot bootloader Use code with caution. Step 3: The Unlock Commands
This means you forgot to toggle OEM Unlocking in the Developer Options. Final Thoughts unlock bootloader command free
While the commands above are the "standard," some brands require one extra (but still free) step: Straightforward. Use the commands above. Connect your phone to your PC via a high-quality USB cable
Unlocking your bootloader will factory reset your phone . Back up everything. You should see a serial number
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