
Download the unroot package!!
Copy the downloaded ZIP file to your phone’s SD card root.
Switch off your phone. Then press home and power button together to go into recovery mode.
From here, choose “Install zip from SD Card” and “Choose Zip
(“upd_1.zip”) from SD” using the Volume Up and Volume Down key and the
press home button to select it.
Install will start and In 5-10 mins root process will finish. Once
the rooting process is done, select reboot using volume up and down keys
to reboot your phone.
Browse the apps in phone now and you will find "superuser" app is gone.Now your Device Unrooting done Successfully !!!
DOWNLOAD:
.zip File
If it still doesn't work you can use a root...