[Guide] Unroot your device with out using any programs topic

HI folks .. I got an easy and simple way that will help u to unroot your lovely android device :o .. I know that no one wants to unroot his device :p but I decided to share it .

WHAT DO U NEED :-

1. file explorer ( I advise using root explorer ) .

1. A brain :3

INSTRUCTIONS :-

1. Set your file explorer on (R/O).


2. Go to system/app and search for super user.apk and delete it.


3. Then go to system/xbin and search for a file called "SU" and delete it.

THAT IS ALL :3
NOW I need to ask if anyone have Successfully updated his phone using "OTA" after applying my simple way to unroot ?