Why need Root?

Advantages of Root

1 =>You can customize your Device.

2 => You can Complet Backup your Device
      
3 => You can install custom recovery or custom ROM

4 => You can backup your current recovery of stock ROM

5 => You can Boost your device's Battery life 

6 => You can Boost your Device Performance 

7 => You can Change Skin for your Device

8 => You can Increase RAM

9 => You can Install Latest OS

10 => You Can Block Adds in any App

11 => You can use special applications which needs root access

12 => You can Remove Pre-installed Apps

13 => You can hack many games or apps.

After Rooting you can access all hidden features of android. so, you should go for root.