/ / / Result |
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PSP Fat (100X) 1st PSP generation · Pandora Battery access: Yes · Downgrading possible: Yes · lowest Firmware: 1.00 · Permanent CFW available: Yes |
Result: You can install a newer full Custom Firmware of your choice!
Before you proceed do the following:
(9.90 Update Error Fix)
(9.90 Update Error Fix)
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1) Press SELECT and change USBDevice to flash0 |
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2) Connect your PSP to your computer via USB |
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3) Open up "flash0:/vsh/etc/version.txt" |
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4) Change release from 9.90 to 5.50 and save. |
Note: You might consider installing a 6.60 CFW since most plugins,
themes and programms are not optimized for 6.61 as of yet!