ISO Tool v1.980 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 v1.980 Changelog:
[BUG] (UMD) Fixed: The status is displayed correctly immediately after starting the UMD
[BUG] (UMD) UMD immediately after starting -> Fixed a freeze that convert ISO / CSO

Download: ISO Tool v1.980
Source: Here