(adsbygoogle = window.adsbygoogle || []).push({}); i wanna downgrade my 3.55 Kmeaw ps3 to 3.15 for otherOS support. My ps3 is qa flagged. The thing is, my ps3 came with 3.50 (Killzone 3 bundle,CECH2501a). so would it be safe to downgrade via recovery mode (system update degug on) to 3.41 or 3.15 without bricking my system