iphone help

hi i have an i phone 1.1.2 preloaded and i did jailbreak and activation so i need to no is there any way that att will b able to find out that i did jailbreak if i use a att simcard. i need to no is there any way that i can restore my phone to its preloaded version. so that i can activate it through att. thanxxxxxxxxxx plez if there is any try to give me an link or some info…
Answer #1
click restore on itunes.
Answer #2
ok but wat about that att will b abel to find out if i use my att simcard?
Answer #3
you need to explain yourself better, and please try typing in understandable e-talk =/