after having downgraded a 2.0 psp back to 1.5, re-upgrading it back to 2.0 works fine - no problem. did so myself a few times...2.5 should be no problem either!
Is it possible to upgrade to say the official 2.50 version if you wanted to? Would there be any artifacts of the older firmware version left behind?
after having downgraded a 2.0 psp back to 1.5, re-upgrading it back to 2.0 works fine - no problem. did so myself a few times...2.5 should be no problem either!
Not so sure abëut that. Heard that Sony patched it up so if you upgrade to 2.5, u can no longer downgrade.
Not willing to try it on mine![]()
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