- extract /dev_flash/sys/external/libfs.sprx using FTP or from PUP

- Copy to the patch_libfs.bat folder libfs.sprx, scetool (scetool.exe, zlib1.dll and folder "data" with the appropriate key)

- Run patch_libfs.bat

- Copy libfs_patched.sprx to Iris Manager folder (/dev_hdd0/game/IMANAGER4)

- Enable BD-Emu option in Iris Manager


The patch Works with 3.41, 3.55, 4.21 and 4.30 CEX libfs.sprx. New libfs_patched.sprx is firmed using 3.40 keys