How to un-jailbreak an iPhone?

[hotthangz]

I just got an iPhone that has been previously used. When i turned it on i realized it was jailbroken, i want to know if there is a way to un-jailbreak it...?

 

[grapes911]

Just restore it in iTunes.

 

[antster94]

plug it into itunes, and click restore.

 

[hotthangz]

I did restore it, but it still looks the same.

 

[grapes911]

Do you have Cydia as an app? If not, then it's probably not jailbroken.

 

[labman]

is cydia there? did you restore as new? if you are still having trouble provide more details.

 

[f4780y]

I did restore it, but it still looks the same.

So what exactly do you see that makes you think it is jailbroken?
If you have completed a standard full restore in iTunes there is absolutely no way that it can be...
Give us more details.