Sony released PS3 firmware V3.55,Don't update...
Sony official blog released update news today,
PS3 System Software Update (v3.55)
A new PS3 system software update, v3.55, will be released soon. This is a minor update that adds a security patch.
SO, Notice , if you want to use the PS3 break , PS3 jailbreak, PS jaibreak or any other break items, please don't update the system, even if your system is V3.5 , there are also downgrade available for V3.5 now!
This is Sony's response !