Instructions on How to Unroot Samsung Galaxy Ace running on 2.3.5/2.3.4/2.3.3 Gingerbread

Requirements to start:

1. Download “unroot.zip” file from here
2. Memory card

1. Download ‘unroot.zip’ file from link above
2. Copy it to your Sd card [i suggest you to copy file on Root directory of SD Card]
3. Switch off your phone
4. Now boot it in recovery mode, you can boot phone into recovery mode via Holding down Middle key and press power on key
5. In recovery mode touch screen will not work so use volume UP/DOWN to toggle through options and middle key to confirm. Select the option “update from SD card” and confirm by pressing middle key
6. Now Select the file “unroot.zip” file  from memory card
7. It will take several seconds ,Wait until the confirmation screen comes
8. Click on “reboot in normal mode” to restart the phone
9.