Check out this Video Guide:
Note: This guide is for those who have completed the Root procedure and have TWRP installed (TWRP by Xiaolu this is installed automatically). If you not yet rooted, check out this root article.
On your Computer
1. Download the Google services binary and transfer it onto your phone. I am using this one:
On your phone
1. Turn off the phone.
2. Hold the Volume Up button and Power On button at the same time:
3. Release the Power On button after 5 seconds (Phone should be turning on. Keep holding the Volume up button.
4. You will now enter TWRP. Follow the following procedure (Ignore the Chinese, the button order is the same).
When selecting the zip, select the google services zip you previously uploaded. Once you flashed you are all done!
Did this procedure work for you? Comment below!