Let’s start, but first go over the cautionary notes below:
A couple of things you’ll need:
You now need to enable USB Debugging and get a copy of ADB, follow the guides below to get things ready.
On with it then,
Start by turning off your phone
Now press and hold the volume UP & power buttons until you see the phone display say fastboot.
Navigate to the platform-tools folder where you setup ADB and issue the following:
If everything is set up as instructed should see a string returned which contains a random string of numbers followed by a device label. You can now proceed to unlock the bootloader of the phone.
To unlock the bootloader (will wipe all your data):
Issue the following when the process completes:
You need to perform once more step when the phone comes back online to make sure everything you doesn’t come undone with an update:
Go to Settings > Developer Options (hit Settings>About>Build Number 7 times) then disable: Update Recovery with System Updates.
That’s it, you’re rooted!