PSP 2003 Slim 7D data code version 6.20 downgrade?


Hi all,

how do i downgrade my psp its the slim 2003 (it says psp 2003 on the bottom bar code at the end of the psp), and behind the battery it says date code 7D, i accidently upgraded it to version 6.20 how do i downgrade it, it was chipped before but i cant remember where i got it chipped from, please help any links to tutoirals or videos would be greatly appreciated.

Thanks in advance.. sorry if its already posted i wasnt sure what to search.

Oh and is it possible to chip the psp without a pandora battery please help.. thanks.
Our free community is dedicated to US-based video gamers to provide a platform for exchange and support.
Join discussions on cheating, guides, exploits & tips, secrets, mods and so much more!
PSA: we do not support cheating for online/mobile/multiplayer games, which may include trainers,
mod menu's, Exploits, Hacks, Tools & Macros, Bots and so on. (we do allow the posting of such for offline/single player games hoewever, online and multiplayer games is where we draw the line. Phone apps/games for example typically offer a storefront to purchase ingame currency for example; whether it's singleplayer or not, in such games, the aforementioned is not allowed.)
Top Bottom