If you are already well versed with the list of instructions then you can proceed with the same, but just in case if you are new to this process then from the below link you can easily follow the pre upgrade instructions which is the very important thing before proceeding to updating the device with this all new custom Firmware.
Now understanding that you have followed the instructions which are mentioned above, you now need to first turn Off the S and also you will need to install the Custom Recovery image. So, let’s check out the same in the next page.
Procedure to Root, turn Off S and to install Custom Recovery Image:
You can turn Off the S and also can install the Custom recovery image by following the instructions which are mentioned in the below link. Also, following the instructions which are mentioned in the below link you can root the device which we will be requiring in the due course of the article.