Downgrading 3.72

[halo113]

hello

i have a phat psp with OFW 3.72 and a pandora's battery (hardmodded) and need help downgrading it to 1.50 so i can upgrade it to 5.00m33

i do not have access to psp with CFW on it already

please help

thanks in advance

[Eviltaco64]

I'd just upgrade to OFW 5.00 and use Rain's Ultra MMS Maker to upgrade you to CFW 5.00 M33-4 (then upgrade to M33-6 from there).

You don't even need a CFW PSP to downgrade and it only takes about 5 minutes.

[psphackhelp]

Here's a really easy to follow guide for upgrading to 5.02 M33 with ChickHEN

http://www.psp-hacks.com/forums/f133/the-hack-your-psp-mega-thread-t227349/page44.html#post1181187