Quote:

Gh0st has just completed coding the newest installer from UPMS Project.
Here are the words from Gh0st himself.

    UPMS Project is proud to bring your the 3rd release of UPMSInstaller.

    Features:
    Hellcat
    TheJoker
    DC3 (3.71 M33-2)
    DC4 (3.80 M33-5)

    Ability to write IPL to Memory Stick under 3.80M33 and 3.90M33.
    Pandora battery creation.
    Format for Fake Memory Sticks

Source: here

required files for installing/unbricking with UPMS

     1.50.PBP
     3.71.PBP
     3.80.PBP
     1.50.PBP
     For the UPDATE.PBP just recopy the 1.50.PBP and rename it to UPDATE.PBP

copy to root of mem stick