Homebrew dev Takka is back on the scene to update his handy homebrewing app, ISO Tool. Tagged as version 1.974, the latest update of the brew that lets PSP owners to decrypt, convert, and patch new ISOs to make them compatible with not just the latest custom firmwares but also the official PSP firmwares includes the following changes and enhancements...

Changelogs (translated):

• version 1.974:
  • [BUG] fake_np Fixed a bug where the converted file creation
• version 1.973:
  • [NEW] fake_np v9 implement the same functionality (PSN purchased software / data can be used as any of the original trial. archives not available)
  • [NEW] With the above menu a–³ "fake_np Data Conversion"for deleting temporary
    • The maximum size depends on the ISO can convert raw data
  • [NEW] fake_np starts when the converted data errors, since they are removed the license file
    • License files during the conversion. / data / fake_np / license / Back to
    • Also, if you are backing up in the state recovers the deleted
    • (Even if you cancel the conversion, backup / recovery is done so,
    • If you can not start because there is no software license file is converted, the conversion check "No" if you choose
    • The license file can be restored only)

How to convert:
Preset

iso_tool the installation folder data / fake_np / EBOOT.PBP of the original data stored as NP.PBP

Cases) / PSP / GAME / ISO_TOOL / data / fake_np / NP.PBP
ISO-> EBOOT conversion

1. The ISO you want to convert, select from the menu * "fake_np Conversion" and select
2. / PSP / GAME directory on the ISO file is created, EBOOT.PBP is converted to

* I may not be converted to work, please note