Root Lenovo s920 Kitkat 4.4.2 8GB ROW S220 without PC

Note: Proceed at your own risk. I'm not responsible if it does not work or anything happens to your phone. 

I'm sorry, i wont be able to help solve if anything goes wrong.
This post is to share the information which i couldn't find easily.

After searching over and over, finally managed to root my s920 after kitkat upgrade.

Why?
Firstly to fix the network issue when using both sim cards
Secondly, i just wanted to root it :)

Version Info:
Model No: Lenovo s920 
Android Version: 4.4.2
Baseband version: S920.V23,2013/05/22 00:19
Build number: S920I_ROW_S220_140722

Source: http://androidp1.ru/poluchenie-root-lenovo-s920/
Its in Russian, use google translator.

1. Open http://www.shuame.com/m/root.html. Its in Chinese
2. Click the GREEN bar to download the apk to phone
3. Install the apk
4. Connect to WiFi or 3G
5. Open the app RootXX (in Chinese), and click the green circle ROOT in the center
6. A progress will be shown, and some files will be downloaded. If any popup is shown, select the button on the right side.
7. Once completed, open the app drawer and check if KingUser app is installed
8. If not installed, try once more, but i seriously dont know the next steps !!!!!!
9. If KingUser is installed, root is almost a success. 
10. Reboot your phone
11. Download and install any Root Checker app and open it. It should show ROOTED !!!! 

[SOLVED]Network issue: Once rooted, download s920 V23 modem files and replace them.