jail breaking your ipod touch questions? and ipod wont connect to computer/?

ok i got an ipod touch for black friday and i bought the 2 year plan on it. if i jail break it and it breaks will i be able to un jail break it. and what does it do. i saw a video on it and i didnt under stand it. and then he downloaded the instalus thiing on it and got free apps on it.

kk lol i got a new ipod touch for black friday too!haha 8gb 2nd gen lol
jail breaking it gives you “cydia’ and ”instalous”
from those two apps you can get many other priced apps for free. thats wat jailbreaking does

if u jailbreak and screw up ur ipod then your warrenty doesnt cover it because they’re gonna say stuff like its ur fault y did u jailbreak it in the first place??? lol

answer to ur Question
start itunes
then turn on ur ipod
then plug it into ur computer
if it detects it then good
if not, then replug the ipod into ur computer

if that still doesnt work update your itunes to the latest 9.0 version

haha thats abt it

edit:
oh yeah and you can also put ur ipod in dfu mode then plug in and click “restore” on itunes if u screw up ur ipod

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