(adsbygoogle = window.adsbygoogle || []).push({});So basically I have 2 ps3 and I recently purchased an e3 flasher I managed to downgrade one of my ps3 to 3.55 from 4.31 im wondering if its possible to downgrade my 4.40 ps3 to 3.55 "yes they are both old models" please reply before I begin to open my ps3 to downgrade.