updating to pro b9


im have 6.20pro b4 on my psp(3004-3g) right now,how to i update to pro b9?just use the proupdate or do i have to uninstall pro b4 first?

i havnt installed the permanent patch cos i wos afraid of bricking it,but looks like everyone is using the perm patch on pro,

if anyone has been using the permanently patched pro,would like to hear their opinions?any issues after patching?can it be uninstalled without any hassle?and updating the psp after perm patch??

:mrgreen: lot of questions,thnx in advance
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