PSP/GAME/PROUPDATE/EBOOT.PBP. Ensure the EBOOT.PBP is inside the PROUPDATE folder, not sitting loose in the GAME folder.Important Note: Modifying your PSP's firmware carries a small risk if not done correctly. Ensure your PSP battery is at least 75% charged and your console is a PSP-1000, PSP-2000, PSP-3000, or PSP Street (E-1000). This does not work on the PSP Go without specific additional steps (see note at end).
PSP Model: Ensure you have a PSP-1000, PSP-2000, or PSP-3000. The PSP-4000 and PSP-E1000 have limited support and might require additional steps.
Firmware Version: Your PSP must be on firmware 6.60 or lower to install 6.61 Pro-C2. You can check your firmware version in the PSP's settings under "System Settings" > "System Information."
Memory Stick: A memory stick with enough free space is required. Ensure it's formatted correctly on your PSP.
Computer and USB Cable: You'll need these to transfer files to your PSP.
Download the 6.61 Pro-C2 Firmware: Look for a reputable source to download the 6.61 Pro-C2 custom firmware. Websites like PSP Brew or similar forums usually host these files. Be cautious and ensure you're downloading from a trustworthy site to avoid malware. download the psp 6.61 pro-c2 custom firmware
Extract the Files: Once downloaded, extract the files to a folder on your computer. You'll likely have a .zip or .rar file.
Once you have managed to download the PSP 6.61 Pro-C2 custom firmware files, follow these instructions exactly. You do not need a "Mod Chip" or hardware modification.
Requirements:
Error: "The game could not be started. (80020148)"
Solution: This means the CFW is not active. Run Fast Recovery or re-install the PRO update.
Error: "Corrupted Data" on Memory Stick after file copy
Solution: Ensure your Memory Stick is formatted as FAT32. Do not use exFAT. Also, never unplug the USB cable while writing files. Write-Up: Downloading PSP 6
PSP freezes on the "Wave" screen after installing CIPL
Solution: You installed CIPL on an incompatible motherboard. Hard reset (remove battery, wait 30 seconds, reinsert). Hold R Trigger during boot to enter Recovery Menu, then disable CIPL.
I want to uninstall the custom firmware
Solution: Run the PRO-C2 Updater again and press the button labeled "Uninstall." OR run Sony’s official 6.61 updater again to overwrite the NAND.
After the installation finishes, press X to reboot. Your PSP will restart. Go to Settings > System Information. You will see "6.61 PRO-C2." Congratulations, you have installed the CFW.
However: This is temporary. If you fully power off the PSP (not sleep mode), you will revert to OFW 6.61.
Step 1: Download the archive
Go to a trusted source (e.g., GitHub PSP archive) and download the 661PRO-C2.zip file. "Corrupted Data" on the icon: You likely put
Step 2: Verify integrity (optional but recommended)
Check the file hash against known good values (search PSP forums for MD5 of PRO-C2). This ensures the download is uncorrupted and unmodified.
Step 3: Extract the archive
Use 7-Zip (Windows) or The Unarchiver (macOS). Extract the entire contents to a folder on your computer.
Step 4: Connect your PSP
Turn on the PSP, go to Settings → USB Connection, and connect to your PC via USB. The PSP will appear as a removable drive.
Step 5: Copy the CFW files
Navigate to the PSP folder on your PSP’s memory stick. Inside, there should be a GAME folder (create it if missing).
From the extracted PRO-C2 folder, copy the entire PROUPDATE folder into PSP/GAME/.
Also copy the entire CIPL_Flasher folder into PSP/GAME/ (for permanent CFW on compatible models).
If present, copy FastRecovery as well.
Step 6: Safely disconnect
Use “Eject” on your PC, then press Circle on the PSP to exit USB mode.