Psp 352 M33 Upgrade - To 660 ((full))

Now with clean 5.00 OFW:

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. psp 352 m33 upgrade to 660

| Operation | 5.50 PROM-4 | 6.60 PRO-C2 | |-----------|-------------|-------------| | XMB boot time (cold) | 8.2 sec | 7.5 sec | | ISO load ( GTA: VCS ) | 14 sec | 11 sec | | PS1 emu ( FFVII ) | 60 FPS (drops) | 60 FPS (stable) | | Homebrew mem alloc | 24 MB max | 32 MB max (ME) | Now with clean 5

: Most modern PSP plugins (like CXMB for themes) are designed specifically for 6.60 or 6.61. model is compatible with the permanent CIPL Flasher ? Your current 3

Your current 3.52 M33 save data, ISO files, and plugins may not be compatible with 6.60 initially.

6.61 exists, but 6.60 PRO-C remains the gold standard. It has 99.9% compatibility with everything, including 6.61 games via version spoofing. Stick with 6.60.