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Make sure the contacts in the PSP's mem stick slot are clean... no dust/dirt in there. Format the memory stick on your PC then put it in the PSP. If the PC can read it and the PSP can't, you'll need to send in your PSP for repairs.
New version of UPMSv3 - universal PSP Unbricker/Downgrader/Upgrader, also known as Pandora's Ultimate Magic Stick, Now work with DC ver4 (Dark_AleX’s), for installing CFw 3.80M33-5
and creating memory stick into a “Ultimate Magic Stick” for use with
“Pandora’s battery” (jigkick). Works for both PSP, Slim and/or Fat, and
1 stick for all functions for Unbricker/Downgrader tools. Also
available is the “UPMS_v3.pdf Guide” to help you get started and usage.
The Ultimate Pandora’s Magic Stick is the simple solution to easily accomplish any of the following:
Recover any bricked PSP (Fat or Slim) and install sony firmware or CFw M33.
Upgrade Fat-Slims PSP to CFw 3.80M33-5, with 1.50 kernel patch-Fat Only.
Upgrade Fat-Slims PSP to CFw 3.71 M33-2, with 1.50 kernel patch-2 -Fat Only.
Update to 3.71M33-4 are installed to the ‘GAME’ folder from the XMB.
Downgrade Fat PSP to Fw 1.50.
Upgrade Fat PSP straight to CFw 3.52M33 from Extended Boot Menu then install update 3.52 M33-4 from XMB, without need to downgrade to 1.50.
Boot up PSP using Ultimate Loader with support for choosing which Pandora’s you reach V1, V3 or V4.
Boot up PSP to XMB with UPMS inserted-Fat Only.
Boot up to a full FW 1.50 from Memory Stick-Fat Only.
Use PSP Filer and other tools (If it requires 1.50, can’t for Slims).
Note: This software is free, and comes
with no warranty. Despite it has been tested and it has worked, there
is some risk with any PSP operation that involves flashing, so please
try this at your own risk!.
Only Memory Stick "Pro Duo" are compatible.
Memory Stick Duo are not supported. Read more... for installation here.!
Hi the last update sony put out was corrupt you need to go to the
official sony playstation site to get another update this needs to go
onto a usb stick but it will tell you about this on their site, its
only happening to the fat ps3 and its happened to everyone who has one
its to do with the date being wrong so this needs checking check the
date details on your ps3 are correct then go to their site and see what
they are saying about this problem
let me know if you need further assistance ok
plz rate this solution as i have a whole page of unrated posts, thanks 7
Please check you update. If your update is low, you must upgrade it to 3.52 m33 then download a firmware 3.70 m33 or higher to get the m33 recovery.
As your PSP start press SELECT and you can see a menu then go to "UMD ISO MODE" from "normal" change it to "Sony NP9660" then exit.
Now enjoy playing ISO or CSO game. Happy playing.