Discussion in 'Sony PSP - Mod and firmware discussion' started by enjoi961, Jul 11, 2007.
can u upgrade from firmware 3.40 to c/f 3.40 oe
No you can't. What you can do is update to firmware 3.50, then downgrade. The catch is that to downgrade you need a copy of the Lumines UMD for it to work. Then and only then can you update to custom firmware.
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