This usually means your Windows drivers aren't installed correctly. Look for "Google USB Drivers."
Unlocking makes your device slightly more vulnerable if it is physically stolen, as someone could flash a new OS to bypass your lock screen. Phase 1: Preparation (The Essentials) unlock bootloader command free
You must get a free "Unlock Key" from their official website using the command fastboot oem get_unlock_data . This usually means your Windows drivers aren't installed
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 Think of the bootloader as the "checkpoint" that
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