Psp: 352 M33 Upgrade To 660

Make sure your PSP is adequately charged. An interrupted upgrade process due to a dead battery can cause serious issues.

A: No, you must update to 3.52 M33-4 first. Earlier revisions have bugs that can cause update failures or bricks.

Open the PSP memory stick on your PC. Navigate to the PSP folder, then open the GAME folder. psp 352 m33 upgrade to 660

: This guide applies to the PSP-1000 and most PSP-2000 models. PSP-3000 and PSP Go require slightly different final steps for permanent installation (Infinity). Step 1: The Bridge Update (Fixing Potential Errors)

Yes, but 3.52 saves are generally fine. If you get "Corrupted Data," use or FreeCheat to resign the save files to 6.60 standards. Make sure your PSP is adequately charged

Play later PSP releases without needing patched or modified ISOs.

If you are still running , you are holding a piece of PSP history. This firmware, released by the legendary Dark_AleX in 2007, was the gold standard for homebrew and piracy protection bypass for years. Earlier revisions have bugs that can cause update

Some 3.52 M33 users had special "No-UMD" settings in the VSH menu. These will be reset during this process, which is expected.

There is no such thing as "PSP 352 m33" – you likely mean 3.52 M33 (a very old custom firmware). The process below works from 3.52 M33 or higher (including 5.00 M33, 5.50 GEN, etc.) to 6.60 PRO-C.

: On the PSP, go to Game > Memory Stick and launch PRO Update .

A PSP 1000 or PSP 2000 console running 3.52 M33.