Root Is it possible to unroot My r8001i?

[jakkebrown]

i rooted my se r800i phone using flash tool, i want to unroot it so i can sell it, is this possible?

Thanks in advance

 

[lurched]

My friend rooted my phone and i was looking for ways to unroot my phone and i came across unlock root which has a one click unroot and it worked for me i don't know what program he used to root mine could be the same program hope this helps sorry if it doesn't.