This will help me give you specific commands for your unlock tool.
Go to Settings > System > Developer Options and enable OEM unlocking . unlock-tool-loader
This guide outlines the general, high-level process for using bootloader unlocking tools on Android devices as of 2026. Unlocking the bootloader allows for installing custom firmware (like LineageOS) and obtaining full system root access. ⚠️ Critical Warning & Pre-requisites This will help me give you specific commands
To make this guide more tailored to your situation, could you please tell me: What is the of your device? Is it a carrier-locked device? Open Command Prompt or PowerShell within the platform-tools
Open Command Prompt or PowerShell within the platform-tools folder.
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 .