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kilt · 03-02-2008, 08:47 AM

I would like to know if I can upgrade my psp from the official 3.72 firmware to the custom 3.90 m33-2 with out downgrading or have to having the 3.52 m33 first?

03-02-2008, 08:47 AM	#174 (permalink)
kilt Junior Member Join Date: Mar 2008 Location: in a house Posts: 1 Firmware Installed: 3.72	The Dark_Alex Custom Firmware Q&A Thread I would like to know if I can upgrade my psp from the official 3.72 firmware to the custom 3.90 m33-2 with out downgrading or have to having the 3.52 m33 first?