Downgrade your PSP from firmware 6.31, 6.35, 6.38, 6.39 or 6.60 to any desired [official] firmware ... as long as your desired firmware is greater than or equal to the factory installed firmware (OFW) when you purchased your PSP.
This is a port of Davee's 6.31/6.35 downgrader, released by some1. Click here for more info.
v4.1 Changes
This is a port of Davee's 6.31/6.35 downgrader, released by some1. Click here for more info.
v4.1 Changes
- Added Source Code
- Added Safety net just in case, for some reason, your psp does not have the 0x51 key, the safety net sets minimum version to 6.35 if you were getting an error from v4.
- Includes Proxima's prxencrypter with gzip support.
- Added Support for 6.60
- Fixed 6.60 problem that didn't allow to downgrade to anything greater than 6.20, thanks to Davee
- Allows any updater that is greater than or equal to the factory installed OFW (Has not been fully tested, will most likely work on 5.00 and up)
- Special Sauce added by Proxima
- If the 6.20 updater MD5 check fails, it will check if the update file is 6.35, allowing non 07g/09g to downgrade to 6.35
- includes source code
- removed a few debug printf's
- fixed bug for 6.38 created when adding 6.39
- added support for 6.39
- added model printer
- 09g/07g support added - Download