rooting and unrooting

[imedo]

Hi i am new to the forum here
i have a galaxy s II running gingerbread 2.3.5 and i would like to root it using unlock root tool but i want to know how can i unroot.
thank you in advance

 

[Slug]

I wouldn't recommend that app - I've only read of users having problems with it. See here for a comprehensive guide to rooting the GS2.