The 5.01 PSP software is now available for download, pleasing mostly those with 8GB or 16GB Memory Stick Pro Duo cards that don't work with the new PlayStation Store update found in version 5.0. As reported, there is no fix for the funky interlacing lines (feature!) found on the new PSP 3000's LCD.
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I gotta tell firmware 5.0 if nice, i'm loving it. I don't what took them so long for V5.0. Gotta check out the V5.1