27w ago - After being inactive for a while since my previous release because I had a problem, finally I finished to create and fix my personal tools for PS3 PKG / SPKG for CFW 3.55 / 4.XX complete with source code.
This tools are based on failoverflow's tools, but with support for spkg files on CFW 4.XX, for for example, install a PUP directly from XMB or avoid to do a downgrade to 3.55 to install it.
A spkg file contains header/metadata for that pkg who has his name, PS3 on +3.56 checks his header/metadata for matching, if not fails and can't install. On FW 3.55 and below is not necessary that spkg files.
Thanks to Team failoverflow for the initial tools
Thanks to Abkarino
Thanks to Rogero, samkorg and santi1403 for test the tools
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Thanks for your response but If I wanted to upgrade I would have done so already, this post was cleary to see if anyone was working on this or if there was a fix already.. this is even for people that choose to stay on 3.55 with spoofers for whatever reason they seem fit. So thanks for your input but if you are going to rant its not needed.. thanks