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Start / PSP Fat / 3.XX OE / 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:
(DADADADA Update Error Fix)

1) Download the 3.52 M33 Updater pack (via zload.net) and install the 3.52 M33-1 CFW

2) Next up install the 3.52 M33-4 update

3) Shutdown your PSP completely and keep the R-trigger pressed to access the Recovery Menu.

4) Change the kernel from 1.50 to 3.52 (configurations -> Homebrew Kernel)

5) And finally you can install the "PSP Updater ver. 3.71" which install the 3.71 M33 CFW

6) From here you can safely update to any higher firmware without any problems.





Note: You might consider installing a 6.60 CFW since most plugins,
themes and programms are not optimized for 6.61 as of yet!





Last updated:
November 4, 2019