Psp 352 M33 Upgrade To 660 Portable !full! -

Upgrading PSP from 3.52 M33 to 6.60 ME/LME (Portable Guide)

Pre-Requisites:

1.50 kernel-based firmware

Before we dive into the “how,” let’s discuss the “why.” 3.52 M33 is a that relies on legacy loading methods. Here’s what you gain by moving to 6.60:

  • A fully charged PSP battery (at least 75%).
  • The official PSP power cord (do not rely solely on battery).
  • A USB cable or a Memory Stick Duo card reader.
  • File 1: Official Sony 3.71 Update (371.PBP)
  • File 2: Official Sony 5.00 Update (500.PBP)
  • File 3: Official Sony 6.60 Update (660.PBP)
  • File 4: Hellcats Recovery Flasher v1.65 (to safely bypass the 3.52 M33 limitations)
  • File 5: 6.60 PRO-C2 or 6.60 LME Installer

Before installing new custom firmware, you need the official base version. Download OFW 6.60 : Locate the official Sony 6.60 update file (usually named ) from a reliable source like ConsoleMods Prepare the Memory Stick Connect your PSP to your PC via USB Mode. Navigate to the folder, then the Create a new folder named (all caps). Place the downloaded MS0:/PSP/GAME/UPDATE/ Run the Update Disconnect from the PC. On your PSP, go to Memory Stick and launch the "PSP Update ver 6.60". psp 352 m33 upgrade to 660 portable

Step 4: Install M33 6.60 Portable