ISO Tool v1.93 is released. ISO Tool is a handy homebrew application that lets you manage and backup your UMD's straight from your PSP. ISO Tool completes by Japanese Developer Takka.

ISO Tool v1.93 Changelog:
[BUG] ISO files in the correct information acquisition
[NEW] Change the view to sort files
[NEW] Prometheus3-v4/Prometheus4 support patch
[NEW] Prometheus3-v4/v3 required to prm.prx key.txt change the ISO rather than reading from MS
[NEW] With the above, ms0: / seplugins / prm / a key.txt, prml3v3.prx, prml3v4.prx requires
[NEW] prm.prx to rename prml3v3.prx/prml3v4.prx
[NEW] Added a patch file for the mask

Download: ISO Tool v1.93
Source: Here