Note: Rooting can void your warranty!
I am not resposible for any damage or soft/hard brick will happened to your device!
Method 1
Install KingRoot_Android_3.4.7.apk then click Root:
This method need to be rooted.
Requirements:
CTR/TWRP
SuperSu2.01.zip
1. Go to Recovery
2. Mount System and Mount data
3. Install update via zip SuperSu2.01.zip
Then wait..
4. Reboot and wait you notice your android is upgrading..
5.Check if you install SuperSU
Your done!
Download rootchecker in playstore to verify if you are successfully rooted.
Note:Please give a proper credit to me and don't share it without sharing my blogs. Thank you!