problem when downgrading using TN-B!!but can be solve

[Chris10Lyn]

when you downgrade a psp using TN-B from 6.20 to 5.03 in the end you'll get only a white screen after you just follow everything right..

just do this to recover your psp..even the unhackable ones(2000V3/3000 3g models)

1.)fully turn off your psp by holding the turn on button and R.Then hold start+select and square+triangle.then turn on your psp.
it will format your flash1...then your psp will reboot and you've just get your psp back...

i tried this myself and its proven..!!

its proven that we can downgrade a undowngradable psp 2000 TA-088v3 or psp 3000 3g..

if you get a white screen on your psp just do what i said...

for psp go and 3000 4g user's dont try to downgrade your psp go/3000 4g when your already on 6.20..

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[sahu.dude]

It works that way. I guess it happens because the flash0 protect is disabled.

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[flofrucht]

by that way you're reseting the standard settings.
@Sahu:
Your'e right