How to patch

Instructions

First of all, make a backup of your .iso. By default, the patched file will be replaced the original file used for this process.

Download the patch for your game version and Delta Patcher. Extract delta patcher and double-click the .exe to open it.

In Original file, select your .iso.
In XDelta patch, select the patch.

Press Apply patch and enjoy.

Version list

You should use your own dumped .iso files to patch your game. Check that your game fits any of the following, and get the respective patch for it. If you want to be extra sure, you can check the CRC here or by using 7-Zip.

The Idolmaster: Perfect Sun: UMD version (CRC: D49CF27D) || PSN version (CRC: 763176D6)
The Idolmaster: Wandering Star - UMD version (CRC: 2B45CB84) || PSN version (CRC: 98E6C400)
The Idolmaster: Missing Moon - UMD version (CRC: CA4469D0) || PSN version (CRC: 3ADF4ACB)

Other releases are not supported.

If you are stubborn and want to apply the older patch, here you have the patching instructions. However, this is not advised.

Extra Step: DLC Mails

Add the files from mail_dlc into your \PSP\GAME\NPXP00100\MAIL\ folder.

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