es solamente para que le echeis un vistazo x si no lo habeis visto :
http://mypspportal.psparchive.de/phpbb/viewtopic.php?t=686&postdays=0&postorder=asc&start=0
******************PSP 2.01 Downgrader******************
Yes, this is my PSP (Playstation Portable Version 2.01 Downgrader.
This downgrader works for changing versions from 2.01 to 2.00.
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-STEPS-
1) Plug your PSP into your computer via USB Cord and hit "USB Connection" on your PSP.
2) Down Winzip at
http://www.rarlab.com/download or search google for it
3) Open up the EBOOT.PBP file that you have already downloaded and make it a RAR file by
right clicking it.
4) Right click and extract using WINRAR to X:/PSP/GAME/UPDATE. Create update if you have to.
Note: On Step 4, You will have to create a folder named update.
Note: On Step 4, X is the Removable Disk Drive
5) Now Switch memory sticks and go to network update on your PSP, and download the 2.6
update.
6) Launch the 2.6 Update under the GAME tab on the PSP, and after the PSP slide that comes
up, put it in sleep mode.
7) While the PSP is in sleep mode, Switch memory sticks to the one that has the 2.00
download on it and download and install 2.0
HAPPY HOMEBREWING!!!
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Requirements...
- Wireless HotSpot
- PSP
- Computer
- USB Cord