I do not recommend to try it without a flasher installed and a dump of the flash.
To quote, roughly translated: Hi all, What better than to come back with this kind of news! Our friend and SGK developer releases today the result of hard work. Indeed, in the shadow he worked to bring us a CFW with features interesting and not yet seen the new CFW 4.xx
The basis of this CFW is based on Rogero 4.30 and the 4.21 Rebug CFW which is the most stable and most successful of the moment. He added SGKXMBM + Package Manager for our greatest pleasure. Some files from firmware 4.31 which ensures compatibility for the latest keysets. So you can play your backups favorites without a patch or fix. 4.31 is a spoof includes access to PSN and avoid unintended updates.
Added package SGKXMBM +
Lv1 Lv2 and recompiled.
Patched Peek & POKE
Coldboot game replaced
Theme changed from dynamic watch dogs
Testers and developers: consolehackdev / ZZ / dedalo! Teamsgk/ps3devs; SGK_84
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Hi, If you does not see that it is just about changed CFW Rogero and that the package manager and just a copy and good it is not even necessary as I explain you because you does not consist of.
Already dice - is enough to compile CORE_OS to see that Hash MD5 of LVxxx the same are that that of Rogero based on 4.30.
Then when they announce CFW 4.31 and that it git of a spoof in fact, is better stay to are and on top of that no thanks for ROGERO or the authors of package standalone ' install_package_file ' version. That of the copycat!