ISO Tool v1.965 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 v1.965 Changelog:
[NEW] TAG D9161AF0 Add
[NEW] Prometheus totwrm3 patch to add a folder
The patch totwrm3 RM3 Tales (5.03/5.50 series), PILv1 (6.20 series), dummy.prx (6.35 system) seems to work (unconfirmed)

Download: ISO Tool v1.965
Source: Here