(adsbygoogle = window.adsbygoogle || []).push({}); Hey NGU i have a broken 800gb ps3 its one of the first models fat model it got the yellow light death and i thought i was smart i can fix it and i fucked it up nicely took it all a part didnt know how to put back together that was like 2 years ago and my current one is 80gb fat model too , the question if i replace the 80gb hard drive with 800gb hard drive do i have to jailbreak my ps3 again ??

Just plug in the hard drive and re-install the firmware and boom your done Simple!

so i have to re-install 3.55 then 4.50 ita or just the 4.50 ?

Whatever the current CFW is on. So, if it is 4.50ita then install again.