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23 wrz 2007 · You have to have 3.60M33 installed before you install this, which I can only assume you don't. If you're running Sony 3.71 there is no way to do it at this point, you'll have to wait a bit, there'll be a release to downgrade PSPSL's soon.
3 lip 2009 · This video will show you how to downgrade your PSP to custom firmware version 3.71 M33. I will not be held responsible for any damage done to your PSP. Links.
12 lut 2002 · 1 - If you are under official 1.50 PSP firmware, copy kxploitpatcher and kxploitpatcher% folders from "1.50only/" of this download to your "ms0:/PSP/GAME/" and run it. 2 - Once done it, or if you are under any Special/Open Edition/M33, copy M33CREATOR folder to your "ms0:/PSP/GAME"
12 sie 2008 · I've been asked some questions about updating custom firmware, and people are having trouble. If you have an older custom firmware and want to update, this is for you. Also can fix a semi-brick ...
23 wrz 2007 · If you have idstorage corrupted due to a downgrader, the program will ask you to correct it automatically so the update can continue. - Press X, and the Sony updater will begin.
This is how I've downgraded my FAT PSP with CF 3.71M33 to 1.50 Original FW: * Copy the entire content of the attached file to PSP\GAME folder. * Rename Original FW 1.50 file to UPDATE.PBP and copy it to PSP\GAME\UPDATE folder.
21 mar 2003 · I am curious as to why some of the downgrader software downloads are nearly 130mb in size whereas the UUEI utility is only 26mb. On browsing the memory stick on the PSP all expected entries are listed within the Game section: 1. Corrupted Data 2. Pandora's Battery Creator 3. PSP Update ver 1.50 -----
