Unjailbreaking an unlocked phone

[Jat3543]

How can i unjailbreak my i phone 3 without upgrading the software, as this will cause the phone to lock? Any help please

 

[XamDam]

Go read the other thread you made about this subject.

 

[Mickey330]

And, since you have that other thread, to which someone has replied - this one is now closed.

Thanks for your understanding.

Marilyn