Why cant we?

**makail100** · 10-27-2012,03:52 AM

Why cant you jailbreak a ps3 that has 4.21 firmware with Rogeros new CFW? Why do you need to be on 3.55 to update to it?

**Shaitan** · 10-27-2012,04:02 AM

We can only sign update PUP's to work on 3.55 because we don't have the signing algorithm for higher firmwares

**Xplic1T** · 10-27-2012,05:07 AM

It's always bothered me that we haven't been able to figure out what make a 3.55+ pup different. The system is laid in such a way that only a higher fw pup will be updated. So what was different about 3.56 vs 3.6 vs 3.7 vs 4 pups... If all we are missing is a key of some sort then we should be able to find it on a compromised system with every valid pup that sony had made. In other words ... if im on 3.56 I have like 8 or 9 possible ways to launch a pup (FW Upgrades released by sony from 3.56 to current) vs if I'm on 4.21 and I only have 1 or 2 valid upgrades.

Lets hope with LV0 being released ... we can create that compromised pup on something higher than the current 3.55.

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