PSP Hacks · Hacks, Cracks, Mods, Homebrew, Utilities

Description:
Gh0st's Ultimate Pandora Memory Stick (UPMS) Installer. Easily convert to/from a Pandora's battery, write the necessary IPL to your memory stick, and create the ultimate unbricker/downgrader solution.

To start using UPMS Installer:

1. Ensure UMD Mode is set to "Sony NP9660." Hold R-Trigger while booting to enter the recovery console, go to Configuration, and set the UMD Mode there.
2. Copy UPMSInstallerV3.cso to the ISO directory on your memory stick; i.e.) F:\ISO or /Volumes/PSP/ISO
3. Browse to the XMB game menu and launch.

Features:

• Upgrade a Slim to 3.71-2 M33;
• Upgrade a Phat to 3.71-2 M33 w/ 1.50-2 kernel patch;
• Upgrade a Slim to 3.80-5 M33;
• Upgrade a Phat to 3.80-5 M33 w/ 1.50 kernel patch;
• Downgrade a Phat to 1.50;
• Upgrade a Phat straight to 3.52 M33 from Extended Boot Menu, then install update 4 via XMB -- with no need to downgrade to 1.50;
• Boot the PSP using Ultimate Loader with support for choosing which Pandora you require -- V1, V3, or V4;
• Boot to the XMB with the Pandora battery inserted (Phat Only);
• Boot to a full 1.50 firmware from the memory stick (Phat Only);
• Use PSP Filer and other tools;
• Upgraded a Phat or Slim to 3.71-4 M33 from the XMB with the update;
• Recover any bricked PSP (Phat or Slim).