3gs running slow but already jb ul

[foreveraudio]

i got a 3gs on 3.1.3 its already jb and ul, running super slow.
if i wanna clean it out and start fresh do i just do a restore with 3.1.3 ? then re jb and ul it ?

[iYeow]

Yes, you have to do a restore again and rejailbreak again. It is just like a computer, reformatting it and install a fresh OS on it.