-Go into Settings/About Phone, scroll down and click on “build number” continuously until you see a toast notification telling you that you've enabled Developer Options. Go back to your Settings menu and enter Developer Options, scroll down and click on the “Enable OEM Unlock” checkbox, also make sure you enable USB Debugging while you're in the Developer Options menu.
-Power off your phone then boot into fastboot mode (power + volume down).
-Connect your phone to your PC via usb cable.
-Open a command prompt from within your fastboot folder (navigate to where you have fastboot.exe located on your PC, shift + right click anywhere within that folder, select open command prompt here).
-Check your fastboot connection by issuing this command:
Code:
It should return your device serial number, if not you need to make sure your drivers are installed correctly.
-Once you've confirmed your fastboot connection issue this command:
Code:
fastboot devices
It should return your device serial number, if not you need to make sure your drivers are installed correctly.
-Once you've confirmed your fastboot connection issue this command:
Code:
fastboot oem unlock
-You should now see a screen on your phone asking you to confirm this action, use the volume keys to scroll and the power key to confirm if you're sure you want to go ahead.
-Allow the process to complete and then issue this command:
Code:
fastboot reboot
-Allow everything to go ahead and once finished you can disconnect your usb cable.
Please note: this will erase all user data from your device, it is best to do this before you really start using the device and installing apps or putting data on the internal storage.
