: After installation, reboot your PSP. It should now be running 6.60 CFW.
Now that you’re on OFW 6.60, you need to install a modern CFW. We recommend for its stability, compatibility, and ease of use. psp 352 m33 upgrade to 660
You cannot jump directly from 3.52 to 6.60 custom firmware. First, you must return to . : After installation, reboot your PSP
There are two main custom firmware families for 6.60: : After installation