: Obtain the version 1.31 ZIP file and extract its contents on your computer. Transfer to PSP : Connect your PSP to your computer via USB. Copy the folder into the /PSP/GAME/ directory on your Memory Stick. Run Application : On your PSP, navigate to the menu, select Memory Stick , and launch Basic Usage To Patch a Game : Highlight an ISO file in the list and press the button to open the menu for patching options. To Create a CSO
: Run the application from the Game menu on the XMB.
Copies physical Universal Media Discs (UMDs) directly from the PSP drive straight to the digital memory card. How to Install ISO Tool 1.31 on Your PSP iso tool 131 pspiso
: Extracts .cso files back to standard .iso format.
1.9x lineage) remains a frequently cited classic for users maintaining legacy PSP setups. Core Functionality : Obtain the version 1
A PSP with Custom Firmware (e.g., 5.00 M33, 5.50 GEN, or newer). A Memory Stick Pro Duo. The iso_tool_131.zip (or similar file) downloaded. Download the ISO Tool 131 package. Extract the contents of the zip file. Connect your PSP to your computer via USB. Navigate to PSP -> GAME on your memory stick. Copy the ISO_TOOL folder into the PSP/GAME/ directory. Disconnect your PSP. How to Use: On your PSP, go to Game > Memory Stick and launch ISO Tool .
Choose the appropriate option, such as or Decrypt EBOOT . Run Application : On your PSP, navigate to
It allows you to fix a non-working game on the go. How to Install ISO Tool 1.31
: A digital blueprint or exact copy of a physical PSP UMD game disc.