How can I downgrade my Psp FW from 3.90 to 1.50?

Plz help, ineed to know how to downgrade my psp slim ...?

  • i need to know how to downgrade my psp slim version 4.01 to 3.71...... the reason is because my psp is hacked, and i used to be able to play the games that i downloaded in to my memory stick, my psp slim used to be a version 3.71 until i got skype and well i guess downloading skype upgraded my psp slim to a 4.01 ... so plz help me cuz know i cant play my games from my psp.........!!!!!!!!! thnx.......

  • Answer:

    hmmmm...not quite sure of this but try out the link below. It works on me downgrading my 3.5 to 1.5 fm.

♥Marisit... at Yahoo! Answers Visit the source

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