Root Unrooting

[40nintendo]

Hi I rooted on friday but i was thinking to go back to normal or just to se how unrooting is done if i need it. i am on 3uk and i wamt my warranty back.
thanks

P.S sorry xuro i just stoped asking you millions of questions and here it cames again

P.S.S is unrootin safe

P.S.S.S i got a idear to unroot use nandroid backup to go to official rom then use androot to unroot will it work???

 

[Slug]

If you have a pre-root Nandroid backup, simply restore that and you're done. Any custom recovery will still be installed though, so to be 100% stock you should then apply the latest RUU update in order to overwrite the recovery.