Psp 352 M33 Upgrade To 660 !!better!! -

Now with clean 5.00 OFW:

Finally, you will install the modern custom firmware to reclaim and enhance your PSP's capabilities. Choose your preferred CFW: psp 352 m33 upgrade to 660

Directly jumping from 3.52 M33 to 6.60 OFW (Official Firmware) can sometimes cause a error or display a false version number like 9.90. Now with clean 5