RS Psar Dumper

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How to Use
Attention: the new v3 does NOT violate any Sony Copyright!
Infact if you use it under a 3.80 (or more) Firmware, the program try to get NATIVE support for decompress KL3E (to decompress reboot.bin) and the oldest 2LRZ (to decompress <=3.73 firmwares).
KL4E in this case is decrypted using an import exported by UtilsForKernel function.

Procedure WITHOUT using USBHOSTFS
-Insert eboot.pbp to decompress in the root of Memory Stick.
-Insert homebrew folder RSPsarDumper in the PSP directory: /PSP/GAME3xx
-Insert folder called RS in the root of MemroY Stick
-Make sure from Recovery mode that kernel is 3.xx
-Start the homebrew from PSP under the menù Game -> Memory Stick

Procedure USING USBHOSTFS
-Insert eboot.pbp to decompress in the same folder where Usbhostfs.exe is
-Insert homebrew folder RSPsarDumper in the PSP directory: /PSP/GAME3xx
-Insert folder called RS in the root of MemroY Stick
-Make sure from Recovery mode that kernel is 3.xx
-Start the homebrew from PSP under the menù Game -> Memory Stick

In both the cases will be created a folder called DUMP in the same directory where the Eboot (to decompress) is.
When process will end, in DUMP folder you will can find Firmware files extracted from the Offical Updater Eboot chosen.