(adsbygoogle = window.adsbygoogle || []).push({}); Hey guys, so my friend is on Rebug 4.21.2 DEX right now, it either freezes his ps3 or it says it cant run this firmware and he has to reboot his ps3. We tried going to Rebug 4.41 but then it switches the LV2 Kernel to CEX and you can't switch it back. Which firmware should we use for RTM on Black Ops 2 1.15?