Open and fastboot minimal and type adb devices then if it says connected to android with a serial number then you are connected to and then type dab boot loader reboot boot loader then type dab boot loader oem unlock oem and that should be it then boot up phone and go to settings and go to about device then look for build number tap it repetitively till it says developer options are open then back out and go to settings at the bottom you will see developer options and in there check oem on and fixed