After the release of PSP 6.61 (L)ME-2.3 here is some more CFW action for PSP users. In these updates via qwikrazor87 PRO-C2 for 6.60 and 6.61 has been released. Added by Rahim-US is working CIPL for 6.61 which was left out initially. Here is a quote via the source and enjoy.
Psp-1001 6.61 pro-c ∞ 6 points 1 year ago PSP games should be put in the ISO directory on the root of the PSP while PS1 games should be in the form of EBOOT.PBP and placed in PSP/GAME/gamename directory where gamename is the name of whatever game your eboot is for. The PSP Custom Firmware 6.61-Pro-C2 will work on all PSP models from the original PSP to the PSP Go and even the E1000, all you need is to be running the official 6.60 or 6.61 firmware to install and use this custom firmware. Note: On the Sony released PSP firmware 6.61, some three and a half years after the last 6.60 update. PSP 1000/2000/3000: Can have permanent CFW via cIPL or Infinity. 6.60 or 6.61 recommended. PSP Street (E1000): Temporary firmware only. 6.60 or 6.61 recommened. PSP Go: Debated because of the pause feature not working with Infinity exploit. If you want permanent CFW with the pause feature; use 6.20 CFW. Extract the ZIP-Archive and copy everything to your 'PSP/GAME' folder Run the '660 PRO-C Updater' from the XMB and install the CFW To make the CFW permanent run the CIPL-Flasher Tool. Booted up my psp then went to memory card and booted up 6.61 PROMOD-C2p VCFW (I guessed cuz the end of it was CFW) there 2 others with the same picture Ran it then psp reset Run Infinity Firmware Builder (this took a hour a 2.
Files named with the commit date from the Pro CFW repo.
Update: 6.61 CIPL now fixed thanks to Rahim-US
6.61 PRO-C2_22-01-2015.zip
6.20 PRO-C2_22-01-2015.zip
Older:
6.60 PRO-C2_16-12-2014.zip (CIPL flasher working, no need for an update)
6.61 PRO-C2_16-12-2014.zip
procfw_source_16-12-2014.zip
Changes can be found here.
https://code.google.com/p/procfw/source/list
6.61 Cfw Psp
Chronoswitch Downgrader
https://lolhax.org
[VERSION 7.0]
-> Added support for Infinity
[VERSION 6.1]
-> Added support for 11g units to 6.60
[VERSION 6]
-> Added support for 6.61
[VERSION 5]
-> Added support for 09g units to 6.20
[What does it do?]
Allows users who are incontent with their firmware to downgrade to 6.20 using the Sony Updater.
[How do I use it?]
Copy the 'PSP' folder to your PSP. The downgrader is 'signed' and can be launched from OFW XMB. You need to copy the 6.20 update to PSP/GAME/UPDATE/EBOOT.PBP and for PSPgo it must be the eflash it is placed on. After setup run the downgrader and follow the onscreen instructions.
[What does it technically do?]
6.20-6.35: It uses the utility/power exploit to gain kernel access and reboots into the updater with a special PRX running. This PRX uses the pspdecrypt functionality to decrypt the updater PRX when needed. This allows the updater to boot in the newer firmwares.
6.38/6.39: It uses my http_storage exploit to gain kernel access. Basically, http_storage has a vulnerability in it, where I can write -1 to anywhere in memory.
6.60: Uses sceNetMPulldown to gain kernel access.
6.61: same as 6.60 (only certloader kexploit is patched in 6.61)
[I'm a dev, sup?]
Source code included in package.
[Credits]
Davee - legend. Originally made 6.35/6.31 downgrader
some1 - legend. 6.38/6.39/6.60 support.
bbtgp - legend. Continued updates to psardumper (pspdecrypt) and the signing application 'prxEncrypter'.
coyotebean - legend. Coninuted updates to psardumper (pspdecrypt) and large influence and research regarding cryptographics.
kgsws - legend. First application signed and method released.
Silverspring - legend. Lots and lots of info on KIRK where we'd still be in the dark without.
Bubbletune - BTCNF injection code and bits and bobs here ;D
qwikrazor87 - 6.61/11g support.
[READ]
You run the application at your OWN risk. I am not help accountable if you PSP fucks up.
[Open Source]
Chronoswitch is open source! Get the source here: https://bitbucket.org/DaveeFTW/
[Twitter]
Follow me on twitter: @DaveeFTW