So let's Start from What is Rooting?Rooting your android device provides you root access of your device from which you can get over all the restrictions of you device which your device manufacturer applied.You can increase device speed performance, customize your device more easily and many more.If we say in technical terms Rooting involves taking back up of your current software and after that Flashing/installing a new Custom ROM (modified version of Android).
Why you Should root your device?
How to Root your Android device?
Root Your Device From Unlock-Root:-
dont forget to like this