ISO Tool v1.972 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 v1.972 Changelog:
[NEW] internal process (OFW starts), even if you can decrypt the type6
[NEW] OFW to use the same binary version, the network temporarily delete the relationship
[BUG] Fixed a freeze that at the end
[NEW] auto_cfw / cfw switching function is not available, so if you do not use all the menu / deleted from the distribution file
[NEW] fake_np/iso2eboot implement the same functionality
* The maximum size is about 728MB ISO is to convert
* Requires pre-trial version of Phantasy Star 2 Infiniti

Download: ISO Tool v1.972
Source: Here