Question about Sony PlayStation Portable (PSP) Console
I have a new PSP 3000 and I want to downgrade it and play some games but any time I put any ISO/CSO games on it my psp dose'nt reads the games so I want to downgrade my psp so I can play some games!
Ya but chikhen doesn't work if u don't have if u have version 5.51 u MUST have version 5.03
Posted on Sep 02, 2009
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Posted on Jan 02, 2017
SOURCE: iso/cso for psp 4.20
its gonna take a while for someone to find out how to hack the new 4.20 firmware since it just came out i guess jus be patient and continue checking on the web if anything has been posted
Posted on Dec 28, 2008
you need to downgrade your firmware to 3.71, have a look at this site it may help www.psp-hacks.com/2006/10/23/psp-iso-compressor-v13/
Posted on Jun 01, 2009
if you have isos of new games ,sorry to tell ya they are patched and will only run above 5.50 so ,try upgrading to 5.50 gen d2 and there are plenty of video in youtube which gives you information on this this is a more complicated patches in the years of sony ,nice move sony
Posted on Dec 30, 2009
Click on the link below and watch the video to learn how to downgrade your Sony PSP to cfw 5.00
Posted on Apr 07, 2010
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