ISO Tool v1.92 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 v1.92 Changelog:
[NEW] pspdecrypt.prx shipped a replacement with the latest
[NEW] flash0 writing to you to be able to order without prx, flash0_w.prx removal
[NEW] Little Busters! (ULJM-05789) for installation media

Download: ISO Tool v1.92
Source: Here